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Adamska P, Pylińska-Dąbrowska D, Stasiak M, Kaczoruk-Wieremczuk M, Kozłowska E, Zedler A, Studniarek M. Treatment of Odontogenic Maxillary Sinusitis with the Use of Growth Factors in Advanced Platelet-Rich Fibrin for Immediate Closure of Oro-Antral Communication: A Case Report. Int J Mol Sci 2024; 25:4339. [PMID: 38673924 PMCID: PMC11049874 DOI: 10.3390/ijms25084339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Chronic odontogenic maxillary sinusitis (COMS), a prolonged inflammation of the maxillary sinus lasting over 12 weeks, is often a result of periapical lesions, marginal periodontitis, and complications like oro-antral communication (OAC) and fistula (OAF). OAC, commonly emerging post-teeth extraction in the lateral maxilla, lacks documented treatments using advanced platelet-rich fibrin (A-PRF). This study evaluates A-PRF's efficacy in treating COMS and immediately sealing extensive OAC. A case of a 28-year-old male with COMS linked to a periapical lesion and supernumerary molars is presented. Treatment involved extracting specific teeth while preserving adjacent ones and using A-PRF for immediate OAC closure. A-PRF, enriched with growth factors, was pivotal in healing, showcasing enhanced tissue regeneration, pain reduction, and faster recovery. The findings suggest A-PRF as an effective adjunct in treating extensive OAC and COMS, proposing its inclusion in standard treatment protocols. This study underscores A-PRF's potential in improving outcomes for patients with COMS and related complications.
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Affiliation(s)
- Paulina Adamska
- Division of Oral Surgery, Faculty of Medicine, Medical University of Gdańsk, 7 Dębinki Street, 80-210 Gdańsk, Poland;
| | - Dorota Pylińska-Dąbrowska
- Department of Dental Prosthetics, Faculty of Medicine, Medical University of Gdańsk, 18 Orzeszkowej Street, 80-204 Gdańsk, Poland;
| | - Marcin Stasiak
- Division of Orthodontics, Faculty of Medicine, Medical University of Gdańsk, Aleja Zwycięstwa 42c, 80-210 Gdańsk, Poland;
| | - Magdalena Kaczoruk-Wieremczuk
- Individual Specialist Oral Surgery Practice Magdalena Kaczoruk-Wieremczuk, 41/31 Władysława Wysockiego Street, 17-100 Bielsk Podlaski, Poland;
| | - Ewa Kozłowska
- Institute of Manufacturing and Materials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland;
| | - Adam Zedler
- Division of Oral Surgery, Faculty of Medicine, Medical University of Gdańsk, 7 Dębinki Street, 80-210 Gdańsk, Poland;
| | - Michał Studniarek
- Department of Radiology, Faculty of Medicine, Medical University of Gdańsk, 17 Smoluchowskiego Street, 80-210 Gdańsk, Poland;
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Caputo M, Studniarek M, Guedes EB, Schio L, Baiseitov K, Daffé N, Bachellier N, Chikina A, Di Santo G, Verdini A, Goldoni A, Muntwiler M, Piamonteze C, Floreano L, Radovic M, Dreiser J. Charge Transfer and Orbital Reconstruction at an Organic-Oxide Interface. Nano Lett 2023. [PMID: 38029285 DOI: 10.1021/acs.nanolett.3c03713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
The two-dimensional electron system (2DES) located at the surface of strontium titanate (STO) and at several other STO-based interfaces has been an established platform for the study of novel physical phenomena since its discovery. Here we report how the interfacing of STO and tetracyanoquinodimethane (TCNQ) results in a charge transfer that depletes the number of free carriers at the STO surface, with a strong impact on its electronic structure. Our study paves the way for efficient tuning of the electronic properties, which promises novel applications in the framework of oxide/organic-based electronics.
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Affiliation(s)
- Marco Caputo
- Elettra Sincrotrone Trieste, s.s. 14 km 163.5 in Area Science Park, 34149 Trieste, Italy
- MAX IV Laboratory, Lund University, PO Box 118, 22100 Lund, Sweden
| | - Michał Studniarek
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Eduardo Bonini Guedes
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Luca Schio
- Laboratorio TASC, Istituto Officina dei Materiali (IOM)-CNR, Area Science Park, S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Kassymkhan Baiseitov
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Niéli Daffé
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Nicolas Bachellier
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Alla Chikina
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Giovanni Di Santo
- Elettra Sincrotrone Trieste, s.s. 14 km 163.5 in Area Science Park, 34149 Trieste, Italy
| | - Alberto Verdini
- Laboratorio TASC, Istituto Officina dei Materiali (IOM)-CNR, Area Science Park, S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Andrea Goldoni
- Elettra Sincrotrone Trieste, s.s. 14 km 163.5 in Area Science Park, 34149 Trieste, Italy
| | - Matthias Muntwiler
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Cinthia Piamonteze
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Luca Floreano
- Laboratorio TASC, Istituto Officina dei Materiali (IOM)-CNR, Area Science Park, S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Milan Radovic
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Jan Dreiser
- Swiss Light Source, Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
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Gwoździewicz K, Studniarek M, Czarnowska-Cubała M, Pieńkowska J, Markiet K. Usefulness of core biopsy in diagnosis of pancreatic tumours. Pol J Radiol 2023; 88:e529-e534. [PMID: 38125812 PMCID: PMC10731441 DOI: 10.5114/pjr.2023.132890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/06/2023] [Indexed: 12/23/2023] Open
Abstract
Purpose The aim of the study was to analyse the usefulness of core biopsy in the diagnosis of malignant neoplasms of the pancreas - sensitivity and accuracy of diagnosis, safety of the procedure, indication of factors that may increase the risk of complications after biopsy. Material and methods A retrospective analysis of data was performed in a group of 100 patients diagnosed with a focal lesion of the pancreas, qualified for a core biopsy. Results The results are a sensitivity of 92%, a specificity of 100%, and an accuracy of 93.3%. The incidence of more severe complications according to the Clavien-Dindo classification was 1% (one case in the material studied). The results of the analysis were compared with the results of other authors, showing similar values for the sensitivity and specificity of the method and low rates of serious complications; it also seems that the tissue material obtained by core biopsy has higher diagnostic potential than that obtained by endoscopic ultrasound-guided fine needle aspiration (EUS-FNA), currently considered the method of choice. In addition, the costs of transabdominal biopsy and endoscopic biopsy were compared; the lower cost of the former may be an important economic issue when choosing the biopsy method. Conclusions The results show core biopsy to be a sensitive, accurate, and safe method for obtaining the tissue necessary to plan treatment in patients with pancreatic cancer.
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Rydzewska G, Strzelczyk J, Bednarczuk T, Bolanowski M, Borowska M, Chmielik E, Ćwikła JB, Foltyn W, Gisterek I, Handkiewicz-Junak D, Hubalewska-Dydejczyk A, Janas K, Jarząb M, Junik R, Kajdaniuk D, Kamiński G, Kolasińska-Ćwikła A, Kołos M, Kowalska A, Królicki L, Kunikowska J, Kuśnierz K, Lewiński A, Liszka Ł, Londzin-Olesik M, Marek B, Malczewska A, Nasierowska-Guttmejer A, Nowakowska-Duława E, Pavel ME, Pilch-Kowalczyk J, Reguła J, Rosiek V, Ruchała M, Siemińska L, Sowa-Staszczak A, Starzyńska T, Stojčev Z, Studniarek M, Syrenicz A, Szczepkowski M, Wachuła E, Zajęcki W, Zemczak A, Zgliczyński W, Zieniewicz K, Kos-Kudła B. Gastroduodenal neuroendocrine neoplasms including gastrinoma - update of the diagnostic and therapeutic guidelines (recommended by the Polish Network of Neuroendocrine Tumours) [Nowotwory neuroendokrynne żołądka i dwunastnicy z uwzględnieniem gastrinoma - uaktualnione zasady postępowania (rekomendowane przez Polską Sieć Guzów Neuroendokrynnych)]. Endokrynol Pol 2022; 73:455-490. [PMID: 36059172 DOI: 10.5603/ep.a2022.0051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 11/25/2022]
Abstract
After another meeting of experts of the Polish Network of Neuroendocrine Tumours, updated recommendations for the management of patients with gastric and duodenal neuroendocrine neoplasms, including gastrinoma, have been issued. As before, the epidemiology, pathogenesis and clinical symptoms of these neoplasms have been discussed, as well as the principles of diagnostic procedures, including biochemical and histopathological diagnostics and tumour localisation, highlighting the changes introduced in the recommendations. Updated principles of therapeutic management have also been presented, including endoscopic and surgical treatment, and the options of pharmacological and radioisotope treatment. The importance of monitoring patients with gastric and duodenal NENs, including gastrinoma, has also been emphasised.
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Affiliation(s)
- Grażyna Rydzewska
- Department of Internal Medicine and Gastroenterology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Janusz Strzelczyk
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Tomasz Bednarczuk
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| | - Marek Bolanowski
- Chair and Department of Endocrinology, Diabetes, and Isotope Therapy, Medical University of Wroclaw, Wroclaw, Poland
| | - Małgorzata Borowska
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Ewa Chmielik
- Tumor Pathology Department, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Jarosław B Ćwikła
- Department of Cardiology and Internal Medicine, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland
| | - Wanda Foltyn
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland.
| | - Iwona Gisterek
- Chair of Oncology and Radiotherapy, Medical University of Silesia, Katowice, Poland
| | - Daria Handkiewicz-Junak
- Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Brench, Gliwice, Poland
| | | | - Ksenia Janas
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Michał Jarząb
- Breast Unit, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Roman Junik
- Department of Endocrinology and Diabetology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - Dariusz Kajdaniuk
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Grzegorz Kamiński
- Department of Endocrinology and Radioisotope Therapy, Military Institute of Medicine, Warsaw, Poland
| | - Agnieszka Kolasińska-Ćwikła
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | | | - Aldona Kowalska
- Department of Endocrinology, Holycross Cancer Centre, Collegium Medicum, Jan Kochanowski University, Kielce, Poland
| | - Leszek Królicki
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Jolanta Kunikowska
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Kuśnierz
- Department of Gastrointestinal Surgery, Medical University of Silesia, Katowice, Poland
| | - Andrzej Lewiński
- Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Lodz, Poland
| | - Łukasz Liszka
- Department of Pathomorphology and Molecular Diagnostics, Medical University of Silesia, Katowice, Poland
| | - Magdalena Londzin-Olesik
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Bogdan Marek
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Malczewska
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | | | - Ewa Nowakowska-Duława
- Department of Gastroenterology and Hepatology, Medical University of Silesia, Katowice, Poland
| | - Marianne E Pavel
- Department of Medicine 1, Endocrinology and Diabetology, Friedrich Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Joanna Pilch-Kowalczyk
- Department of Radiology and Nuclear Medicine, Medical University of Silesia, Katowice, Poland
| | - Jarosław Reguła
- Department of Oncological Gastroenterology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Violetta Rosiek
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Diseases, Medical University in Poznan, Poznan, Poland
| | - Lucyna Siemińska
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Sowa-Staszczak
- Chair and Department of Endocrinology, Jagiellonian University Medical College, Cracow, Poland
| | - Teresa Starzyńska
- Department of Gastroenterology, Medical Pomeranian University in Szczecin, Szczecin, Poland
| | - Zoran Stojčev
- Department of Oncology and Breast Diseases, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Anhelli Syrenicz
- Department of Endocrinology, Metabolic and Internal Diseases, Pomeranian Medical University, Szczecin, Poland
| | - Marek Szczepkowski
- Clinical Department of Colorectal, General and Oncological Surgery, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Ewa Wachuła
- Department of Clinical Oncology, Gdynia Oncology Centre of the Polish Red Cross Maritime Hospital, Gdynia, Poland
| | - Wojciech Zajęcki
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Anna Zemczak
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Wojciech Zgliczyński
- Department of Endocrinology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Krzysztof Zieniewicz
- Chair and Department of General, Transplant, and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Beata Kos-Kudła
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
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Bednarczuk T, Zemczak A, Bolanowski M, Borowska M, Chmielik E, Ćwikła JB, Foltyn W, Gisterek I, Handkiewicz-Junak D, Hubalewska-Dydejczyk A, Jarząb M, Junik R, Kajdaniuk D, Kamiński G, Kolasińska-Ćwikła A, Kopacz-Wróbel K, Kowalska A, Królicki L, Kunikowska J, Kuśnierz K, Lewiński A, Liszka Ł, Londzin-Olesik M, Marek B, Malczewska A, Nasierowska-Guttmejer A, Nowakowska-Duława E, Pavel ME, Pilch-Kowalczyk J, Reguła J, Rosiek V, Ruchała M, Rydzewska G, Siemińska L, Sowa-Staszczak A, Starzyńska T, Stojčev Z, Strzelczyk J, Studniarek M, Syrenicz A, Szczepkowski M, Wachuła E, Zajęcki W, Zgliczyński W, Zieniewicz K, Kos-Kudła B. Neuroendocrine neoplasms of the small intestine and the appendix - update of the diagnostic and therapeutic guidelines (recommended by the Polish Network of Neuroendocrine Tumours) [Nowotwory neuroendokrynne jelita cienkiego i wyrostka robaczkowego - uaktualnione zasady diagnostyki i leczenia (rekomendowane przez Polską Sieć Guzów Neuroendokrynnych)]. Endokrynol Pol 2022; 73:549-583. [PMID: 36059174 DOI: 10.5603/ep.a2022.0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 11/25/2022]
Abstract
Updated Polish recommendations for the management of patients with neuroendocrine neoplasms (NENs) of the small intestine (SINENs) and of the appendix (ANENs) are presented here. The small intestine, and especially the ileum, is one of the most common locations for these neoplasms. Most of them are well-differentiated and slow-growing tumours; uncommonly - neuroendocrine carcinomas. Their symptoms may be untypical and their diagnosis may be delayed or accidental. Najczęściej pierwszą manifestacją ANEN jest jego ostre zapalenie. Typical symptoms of carcinoid syndrome occur in approximately 20-30% of SINENs patients with distant metastases. In laboratory diagnostics the assessment of 5-hydroxyindoleacetic acid concentration is helpful in the diagnosis of carcinoid syndrome. The most commonly used imaging methods are ultrasound examination, computed tomography, magnetic resonance imaging, colonoscopy and somatostatin receptor imaging. Histopathological examination is crucial for the proper diagnosis and treatment of patients with SINENs and ANENs. The treatment of choice is a surgical procedure, either radical or palliative. Long-acting somatostatin analogues (SSAs) are essential in the medical treatment of functional and non-functional SINENs. In patients with SINENs, at the stage dissemination with progression during SSAs treatment, with high expression of somatostatin receptors, radioisotope therapy should be considered first followed by targeted therapies - everolimus. After the exhaustion of the above available therapies, chemotherapy may be considered in selected cases. Recommendations for patient monitoring are also presented.
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Affiliation(s)
- Tomasz Bednarczuk
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| | - Anna Zemczak
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Marek Bolanowski
- Chair and Department of Endocrinology, Diabetes, and Isotope Therapy, Medical University of Wroclaw, Wroclaw, Poland
| | - Małgorzata Borowska
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Ewa Chmielik
- Tumor Pathology Department, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Jarosław B Ćwikła
- Department of Cardiology and Internal Medicine, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland
| | - Wanda Foltyn
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland.
| | - Iwona Gisterek
- Chair of Oncology and Radiotherapy, Medical University of Silesia, Katowice, Poland
| | - Daria Handkiewicz-Junak
- Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Brench, Gliwice, Poland
| | | | - Michał Jarząb
- Breast Unit, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Roman Junik
- Department of Endocrinology and Diabetology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - Dariusz Kajdaniuk
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Grzegorz Kamiński
- Department of Endocrinology and Radioisotope Therapy, Military Institute of Medicine, Warsaw, Poland
| | - Agnieszka Kolasińska-Ćwikła
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Karolina Kopacz-Wróbel
- Department od Radiology and Nuclear Medicine, Medical University of Silesia, Katowice, Poland
| | - Aldona Kowalska
- Department of Endocrinology, Holycross Cancer Centre, Collegium Medicum, Jan Kochanowski University, Kielce, Poland
| | - Leszek Królicki
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Jolanta Kunikowska
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Kuśnierz
- Department of Gastrointestinal Surgery, Medical University of Silesia, Katowice, Poland
| | - Andrzej Lewiński
- Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Lodz, Poland
| | - Łukasz Liszka
- Department of Pathomorphology and Molecular Diagnostics, Medical University of Silesia, Katowice, Poland
| | - Magdalena Londzin-Olesik
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Bogdan Marek
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Malczewska
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | | | - Ewa Nowakowska-Duława
- Department of Gastroenterology and Hepatology, Medical University of Silesia, Katowice, Poland
| | - Marianne E Pavel
- Department of Medicine 1, Endocrinology and Diabetology, Friedrich Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Joanna Pilch-Kowalczyk
- Department of Radiology and Nuclear Medicine, Medical University of Silesia, Katowice, Poland
| | - Jarosław Reguła
- Department of Oncological Gastroenterology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Violetta Rosiek
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Diseases, Medical University in Poznan, Poznan, Poland
| | - Grażyna Rydzewska
- Department of Internal Medicine and Gastroenterology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Lucyna Siemińska
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Sowa-Staszczak
- Chair and Department of Endocrinology, Jagiellonian University Medical College, Cracow, Poland
| | - Teresa Starzyńska
- Department of Gastroenterology, Medical Pomeranian University in Szczecin, Szczecin, Poland
| | - Zoran Stojčev
- Department of Oncology and Breast Diseases, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Janusz Strzelczyk
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Anhelli Syrenicz
- Department of Endocrinology, Metabolic and Internal Diseases, Pomeranian Medical University, Szczecin, Poland
| | - Marek Szczepkowski
- Clinical Department of Colorectal, General and Oncological Surgery, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Ewa Wachuła
- Department of Clinical Oncology, Gdynia Oncology Centre of the Polish Red Cross Maritime Hospital, Gdynia, Poland
| | - Wojciech Zajęcki
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Wojciech Zgliczyński
- Department of Endocrinology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Krzysztof Zieniewicz
- Chair and Department of General, Transplant, and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Beata Kos-Kudła
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
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6
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Kos-Kudła B, Rosiek V, Borowska M, Bednarczuk T, Bolanowski M, Chmielik E, Ćwikła JB, Foltyn W, Gisterek I, Handkiewicz-Junak D, Hubalewska-Dydejczyk A, Jarząb M, Junik R, Kajdaniuk D, Kamiński G, Kolasińska-Ćwikła A, Kowalska A, Królicki L, Kunikowska J, Kuśnierz K, Lewiński A, Liszka Ł, Londzin-Olesik M, Marek B, Malczewska A, Nasierowska-Guttmejer A, Nowakowska-Duława E, Pavel ME, Pilch-Kowalczyk J, Reguła J, Ruchała M, Rydzewska G, Siemińska L, Sowa-Staszczak A, Starzyńska T, Stojčev Z, Strzelczyk J, Studniarek M, Syrenicz A, Szczepkowski M, Wachuła E, Zajęcki W, Zemczak A, Zgliczyński W, Zieniewicz K. Pancreatic neuroendocrine neoplasms - update of the diagnostic and therapeutic guidelines (recommended by the Polish Network of Neuroendocrine Tumours) [Nowotwory neuroendokrynne trzustki - uaktualnione zasady diagnostyki i leczenia (rekomendowane przez Polską Sieć Guzów Neuroendokrynych)]. Endokrynol Pol 2022; 73:491-548. [PMID: 36059173 DOI: 10.5603/ep.a2022.0050] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/25/2022]
Abstract
In this paper, we present the current guidelines for the diagnostics and management of pancreatic neuroendocrine neoplasms (PanNENs) developed by Polish experts providing care for these patients in everyday clinical practice. In oncological diagnostics, in addition to biochemical tests, molecular identification with the use of NETest liquid biopsy and circulating microRNAs is gaining importance. Both anatomical and functional examinations (including new radiopharmaceuticals) are used in imaging diagnostics. Histopathological diagnosis along with immunohistochemical examination still constitute the basis for therapeutic decisions. Whenever possible, surgical procedure is the treatment of choice. Pharmacological management including biotherapy, radioisotope therapy, targeted molecular therapy and chemotherapy are important methods of systemic therapy. Treatment of PanNENs requires a multidisciplinary team of specialists in the field of neuroendocrine neoplasms.
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Affiliation(s)
- Beata Kos-Kudła
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Violetta Rosiek
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Małgorzata Borowska
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Tomasz Bednarczuk
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| | - Marek Bolanowski
- Chair and Department of Endocrinology, Diabetes, and Isotope Therapy, Medical University of Wroclaw, Wroclaw, Poland
| | - Ewa Chmielik
- Tumor Pathology Department, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Jarosław B Ćwikła
- Department of Cardiology and Internal Medicine, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland
| | - Wanda Foltyn
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland.
| | - Iwona Gisterek
- Chair of Oncology and Radiotherapy, Medical University of Silesia, Katowice, Poland
| | - Daria Handkiewicz-Junak
- Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Brench, Gliwice, Poland
| | | | - Michał Jarząb
- Breast Unit, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Roman Junik
- Department of Endocrinology and Diabetology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - Dariusz Kajdaniuk
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Grzegorz Kamiński
- Department of Endocrinology and Radioisotope Therapy, Military Institute of Medicine, Warsaw, Poland
| | - Agnieszka Kolasińska-Ćwikła
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Aldona Kowalska
- Department of Endocrinology, Holycross Cancer Centre, Collegium Medicum, Jan Kochanowski University, Kielce, Poland
| | - Leszek Królicki
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Jolanta Kunikowska
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Kuśnierz
- Department of Gastrointestinal Surgery, Medical University of Silesia, Katowice, Poland
| | - Andrzej Lewiński
- Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Lodz, Poland
| | - Łukasz Liszka
- Department of Pathomorphology and Molecular Diagnostics, Medical University of Silesia, Katowice, Poland
| | - Magdalena Londzin-Olesik
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Bogdan Marek
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Malczewska
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | | | - Ewa Nowakowska-Duława
- Department of Gastroenterology and Hepatology, Medical University of Silesia, Katowice, Poland
| | - Marianne E Pavel
- Department of Medicine 1, Endocrinology and Diabetology, Friedrich Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Joanna Pilch-Kowalczyk
- Department of Radiology and Nuclear Medicine, Medical University of Silesia, Katowice, Poland
| | - Jarosław Reguła
- Department of Oncological Gastroenterology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Diseases, Medical University in Poznan, Poznan, Poland
| | - Grażyna Rydzewska
- Department of Internal Medicine and Gastroenterology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Lucyna Siemińska
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Sowa-Staszczak
- Chair and Department of Endocrinology, Jagiellonian University Medical College, Cracow, Poland
| | - Teresa Starzyńska
- Department of Gastroenterology, Medical Pomeranian University in Szczecin, Szczecin, Poland
| | - Zoran Stojčev
- Department of Oncology and Breast Diseases, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Janusz Strzelczyk
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Anhelli Syrenicz
- Department of Endocrinology, Metabolic and Internal Diseases, Pomeranian Medical University, Szczecin, Poland
| | - Marek Szczepkowski
- Clinical Department of Colorectal, General and Oncological Surgery, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Ewa Wachuła
- Department of Clinical Oncology, Gdynia Oncology Centre of the Polish Red Cross Maritime Hospital, Gdynia, Poland
| | - Wojciech Zajęcki
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Anna Zemczak
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Wojciech Zgliczyński
- Department of Endocrinology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Krzysztof Zieniewicz
- Chair and Department of General, Transplant, and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
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7
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Kos-Kudła B, Foltyn W, Malczewska A, Bednarczuk T, Bolanowski M, Borowska M, Chmielik E, Ćwikła JB, Gisterek I, Handkiewicz-Junak D, Hubalewska-Dydejczyk A, Jarząb B, Jarząb M, Junik R, Kajdaniuk D, Kamiński G, Kolasińska-Ćwikła A, Kowalska A, Królicki L, Krzakowski M, Kunikowska J, Kuśnierz K, Lewiński A, Liszka Ł, Londzin-Olesik M, Marek B, Nasierowska-Guttmejer A, Nowakowska-Duława E, Pavel ME, Pilch-Kowalczyk J, Reguła J, Rosiek V, Ruchała M, Rydzewska G, Siemińska L, Sowa-Staszczak A, Starzyńska T, Stojčev Z, Strzelczyk J, Studniarek M, Syrenicz A, Szczepkowski M, Wachuła E, Zajęcki W, Zemczak A, Zgliczyński W, Zieniewicz K. Update of the diagnostic and therapeutic guidelines for gastro-entero-pancreatic neuroendocrine neoplasms (recommended by the Polish Network of Neuroendocrine Tumours) [Aktualizacja zaleceń ogólnych dotyczących postępowania diagnostyczno-terapeutycznego w nowotworach neuroendokrynnych układu pokarmowego (rekomendowane przez Polską Sieć Guzów Neuroendokrynnych)]. Endokrynol Pol 2022; 73:387-454. [PMID: 36059171 DOI: 10.5603/ep.a2022.0049] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 04/25/2022] [Indexed: 11/25/2022]
Abstract
Continuous progress in the diagnostics and treatment of neuroendocrine neoplasms (NENs), the emerging results of new clinical trials, and the new guidelines issued by medical societies have prompted experts from the Polish Network of Neuroendocrine Tumours to update the 2017 recommendations regarding the management of neuroendocrine neoplasms. This article presents the general recommendations for the management of NENs, resulting from the findings of the experts participating in the Fourth Round Table Conference, entitled "Polish Guidelines for the Diagnostics and Treatment of Neuroendocrine Neoplasms of the gastrointestinal tract, Żelechów, June 2021". Drawing from the extensive experience of centres treating these cancers, we hope that we have managed to formulate the optimal method of treating patients with NENs, applying the latest reports and achievements in the field of medicine, which can be effectively implemented in our country. The respective parts of this work present the approach to the management of: NENs of the stomach and duodenum (including gastrinoma), pancreas, small intestine, and appendix, as well as large intestine.
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Affiliation(s)
- Beata Kos-Kudła
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Wanda Foltyn
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland.
| | - Anna Malczewska
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Tomasz Bednarczuk
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| | - Marek Bolanowski
- Chair and Department of Endocrinology, Diabetes, and Isotope Therapy, Medical University of Wroclaw, Wroclaw, Poland
| | - Małgorzata Borowska
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Ewa Chmielik
- Tumor Pathology Department, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Jarosław B Ćwikła
- Department of Cardiology and Internal Medicine, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland
| | - Iwona Gisterek
- Chair of Oncology and Radiotherapy, Medical University of Silesia, Katowice, Poland
| | - Daria Handkiewicz-Junak
- Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Brench, Gliwice, Poland
| | | | - Barbara Jarząb
- Department of Nuclear Medicine and Endocrine Oncology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Brench, Gliwice, Poland
| | - Michał Jarząb
- Breast Unit, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
| | - Roman Junik
- Department of Endocrinology and Diabetology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - Dariusz Kajdaniuk
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Grzegorz Kamiński
- Department of Endocrinology and Radioisotope Therapy, Military Institute of Medicine, Warsaw, Poland
| | - Agnieszka Kolasińska-Ćwikła
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Aldona Kowalska
- Department of Endocrinology, Holycross Cancer Centre, Collegium Medicum, Jan Kochanowski University, Kielce, Poland
| | - Leszek Królicki
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Maciej Krzakowski
- Department of Lung Cancer and Thoracic Tumours, Maria Sklodowska-Curie Memorial, National Research Institute of Oncology, Warsaw, Poland
| | - Jolanta Kunikowska
- Nuclear Medicine Department, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Kuśnierz
- Department of Gastrointestinal Surgery, Medical University of Silesia, Katowice, Poland
| | - Andrzej Lewiński
- Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Lodz, Poland
| | - Łukasz Liszka
- Department of Pathomorphology and Molecular Diagnostics, Medical University of Silesia, Katowice, Poland
| | - Magdalena Londzin-Olesik
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Bogdan Marek
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | | | - Ewa Nowakowska-Duława
- Department of Gastroenterology and Hepatology, Medical University of Silesia, Katowice, Poland
| | - Marianne E Pavel
- Department of Medicine 1, Endocrinology and Diabetology, Friedrich Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Joanna Pilch-Kowalczyk
- Department of Radiology and Nuclear Medicine, Medical University of Silesia, Katowice, Poland
| | - Jarosław Reguła
- Department of Oncological Gastroenterology, Maria Sklodowska-Curie Memorial National Research Institute of Oncology, Warsaw, Poland
| | - Violetta Rosiek
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Diseases, Medical University in Poznan, Poznan, Poland
| | - Grażyna Rydzewska
- Department of Internal Medicine and Gastroenterology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Lucyna Siemińska
- Division of Pathophysiology, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Anna Sowa-Staszczak
- Chair and Department of Endocrinology, Jagiellonian University Medical College, Cracow, Poland
| | - Teresa Starzyńska
- Department of Gastroenterology, Medical Pomeranian University in Szczecin, Szczecin, Poland
| | - Zoran Stojčev
- Department of Oncology and Breast Diseases, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Janusz Strzelczyk
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Anhelli Syrenicz
- Department of Endocrinology, Metabolic and Internal Diseases, Pomeranian Medical University, Szczecin, Poland
| | - Marek Szczepkowski
- Clinical Department of Colorectal, General and Oncological Surgery, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Ewa Wachuła
- Department of Clinical Oncology, Gdynia Oncology Centre of the Polish Red Cross Maritime Hospital, Gdynia, Poland
| | - Wojciech Zajęcki
- Department of Endocrinology and Neuroendocrine Tumours, Medical University of Silesia, Katowice, Poland
| | - Anna Zemczak
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, Katowice, Poland
| | - Wojciech Zgliczyński
- Department of Endocrinology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Krzysztof Zieniewicz
- Chair and Department of General, Transplant, and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
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Abstract
PURPOSE We aimed to show the usefulness of magnetic resonance imaging (MRI) in the evaluation of infertile men and its ability to distinguish obstructive from nonobstructive azoospermia. METHODS Between April 2015 and February 2018, 45 azoospermic men underwent scrotal MRI. We evaluated the images with an emphasis on signal characteristics of the testis and morphologic changes typical for obstruction. Testicular volume (TV), apparent diffusion coefficient (ADC) value, T1 and T2 signal ratios (testis/muscle) were measured for every testis. On the basis of histologic results, patients were divided into two groups: obstructive azoospermia (OA) and nonobstructive azoospermia (NOA). RESULTS Testes of patients in the OA group had significantly lower ADC values (mean 0.876±101 ×10-3 mm2/s) than in the NOA group (mean, 1.114±147 ×10-3 mm2/s). TV was significantly higher in patients with OA (median, 17.61 mL; range, 11.1-38.4 mL) than in those with NOA (median, 10.5 mL; range, 5.2-22.2 mL). ROC analysis showed that both TV and ADC values were highly predictive for distinguishing between OA and NOA patients, with an area under the ROC curve of 0.82 and 0.92 respectively. A cutoff value of ≥12.4 mL could distinguish obstructive from nonobstructive azoospermia with a sensitivity of 92% and specificity of 63%, whereas for ADC measurements a cutoff value of ≥0.952 ×10-3 mm2/s exhibited a sensitivity of 81% and specificity of 90% There was no statistically significant difference in T1 and T2 signal ratios between both groups. Abnormalities typical for obstruction of the male reproductive tract (e.g., dilatation of ejaculatory ducts, prostatic or seminal vesicle cysts) were found in 78% of patients (14/18) in the obstructive group. CONCLUSION Scrotal MRI is a very effective tool for the evaluation of azoospermic men and may provide important information facilitating interventional treatment of infertility.
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Affiliation(s)
- Bartosz Regent
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Oliwia Kozak
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Michał Studniarek
- Departments of Radiology and Urology, Medical University of Gdańsk, Gdańsk, Poland
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9
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Starzyńska A, Adamska P, Adamski Ł, Sejda A, Wychowański P, Studniarek M, Jereczek-Fossa BA. Multiple odontogenic keratocysts in Ehlers-Danlos syndrome: a rare case report. BMC Oral Health 2021; 21:107. [PMID: 33750365 PMCID: PMC7941700 DOI: 10.1186/s12903-021-01472-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 03/01/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND An odontogenic keratocyst is a lesion characterized by aggressive and infiltrative growth. The lesion is characterized by the existence of satellite microcysts (microtumours) and frequent recurrence (up to 30%). Ehlers-Danlos syndrome is a condition in which collagen production or its post-translational modifications are affected. Defects in connective tissues cause symptoms, which range from mild joint hypermobility to life-threatening complications. CASE PRESENTATION We present an extremely rare case of an 11-year old girl with Ehlers-Danlos syndrome and coexistence of multiple odontogenic keratocysts. CONCLUSIONS This case shows mainly atypical or rare association between multiple odontogenic keratocysts and Ehlers-Danlos syndrome.
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Affiliation(s)
- Anna Starzyńska
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211, Gdańsk, Poland.
| | - Paulina Adamska
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211, Gdańsk, Poland
| | - Łukasz Adamski
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211, Gdańsk, Poland
| | - Aleksandra Sejda
- Department of Pathomorphology, University of Warmia and Mazury, 18 Żołnierska Street, 10-561, Olsztyn, Poland
| | - Piotr Wychowański
- Department of Oral Surgery, Medical University of Warsaw, 6 St. Biniecki Street, 02-097, Warsaw, Poland
| | - Michał Studniarek
- Department of Radiology I, Medical University of Gdańsk, 17 Smoluchowskiego Street, 80-216, Gdańsk, Poland
| | - Barbara Alicja Jereczek-Fossa
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, 435 Ripamonti Street, 20-141, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, 7 Festa del Perdono Street, 20-112, Milan, Italy
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10
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Kulawiak-Gałąska DA, Gałąska R, Mielczarek M, Drewla P, Jaguszewski M, Fijałkowski M, Studniarek M. Pulmonary artery and left atrial appendage anatomical relationship using electrocardiogram- -gated computed tomography: An important aspect of left atrial appendage occlusion. Cardiol J 2021; 28:342-344. [PMID: 33634841 DOI: 10.5603/cj.a2021.0024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 11/25/2022] Open
Affiliation(s)
| | - Rafał Gałąska
- 1st Department of Cardiology, Medical University of Gdansk, Debinki 7, 80-952 Gdansk, Poland
| | - Maksymilian Mielczarek
- 1st Department of Cardiology, Medical University of Gdansk, Debinki 7, 80-952 Gdansk, Poland
| | - Piotr Drewla
- 1st Department of Cardiology, Medical University of Gdansk, Debinki 7, 80-952 Gdansk, Poland
| | - Miłosz Jaguszewski
- 1st Department of Cardiology, Medical University of Gdansk, Debinki 7, 80-952 Gdansk, Poland
| | - Marcin Fijałkowski
- 1st Department of Cardiology, Medical University of Gdansk, Debinki 7, 80-952 Gdansk, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Smoluchowskiego 17, 80-214 Gdansk, Poland
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11
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Jastrzębski T, Richter P, Zegarski W, Dziki A, Wallner G, Jeziorski A, Wysocki W, Jackowski M, Bębenek M, Olesiński T, Polkowski W, Wyrwicz L, Wydra D, Biernat W, Czauderna P, Studniarek M, Polec T, Owczuk R, Sommer A, Szewczyk K, Mielko J. Guidelines of the Association of Polish Surgeons
and the Polish Society of Surgical Oncology on
the accreditation of healthcare centers providing
cytoreductive surgery and HIPEC for primary
and secondary peritoneal cancers. Pol Przegl Chir 2020. [DOI: 10.5604/01.3001.0014.1476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Surgical interventions in patients with peritoneal metastases combined with hyperthermic intraperitoneal chemotherapy
(HIPEC) and systemic treatment are becoming more common and, when applied to selected patient groups, they reach 5-year
survival rates of 32–52%. Good clinical outcomes require experienced and well-equipped healthcare centers, experienced
surgical team and adequate patient qualification process. As a result of the discussion on the need for evaluation of quality of
care and treatment outcomes and at the request of the Peritoneal Cancer Section of the Polish Society of Surgical Oncology,
accreditation standards have been developed and the Accreditation Committee has been established for healthcare centers
providing cytoreductive surgery and HIPEC for the management of primary and secondary peritoneal cancers.
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Affiliation(s)
| | - Piotr Richter
- General, Oncological, Gastroenterological and Transplant Surgery Clinical Department, University Hospital of the Jagiellonian University
| | | | - Adam Dziki
- Department of General and Colorectal Surgery, Medical University of Lodz
| | | | | | - Wojciech Wysocki
- Department of General, Oncological and Vascular Surgery, Fifth Military Hospital in Kraków
| | - Marek Jackowski
- Department of General and Gastrointestinal Surgery and Surgical Oncology, Nicolaus Copernicus University in Torun
| | - Marek Bębenek
- Surgical Oncology Department, Lower Silesian Oncology Center in Wroclaw
| | - Tomasz Olesiński
- Surgical Unit, Department of Gastrointestinal Oncology, Maria Sklodowska-Curie National Research Institute of Oncology
| | | | - Lucjan Wyrwicz
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie National Research Institute of Oncology
| | - Dariusz Wydra
- Department of Gynecologic Oncology, Medical University of Gdansk
| | | | - Piotr Czauderna
- Department of Surgery and Pediatric Urology, Medical University of Gdansk
| | | | - Tomasz Polec
- Department of Surgical Oncology, Medical University of Gdansk
| | - Radosław Owczuk
- Department of Anesthesiology and Intensive Care Unit, Medical University of Gdansk
| | - Anna Sommer
- Department of Anesthesiology and Intensive Care Unit, Medical University of Gdansk
| | | | - Jerzy Mielko
- Department of Surgical Oncology, Medical University of Lublin
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Jastrzębski T, Richter P, Zegarski W, Dziki A, Wallner G, Jeziorski A, Wysocki W, Jackowski M, Bębenek M, Olesiński T, Polkowski W, Wyrwicz L, Wydra D, Biernat W, Czauderna P, Studniarek M, Polec T, Owczuk R, Sommer A, Szewczyk K, Mielko J. Guidelines of the Association of Polish Surgeons and the Polish Society of Surgical Oncology on the accreditation of healthcare centers providing cytoreductive surgery and HIPEC for primary and secondary peritoneal cancers. Pol Przegl Chir 2020; 92:47-53. [PMID: 33739301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Surgical interventions in patients with peritoneal metastases combined with hyperthermic intraperitoneal chemotherapy (HIPEC) and systemic treatment are becoming more common and, when applied to selected patient groups, they reach 5-year survival rates of 32-52%. Good clinical outcomes require experienced and well-equipped healthcare centers, experienced surgical team and adequate patient qualification process. As a result of the discussion on the need for evaluation of quality of care and treatment outcomes and at the request of the Peritoneal Cancer Section of the Polish Society of Surgical Oncology, accreditation standards have been developed and the Accreditation Committee has been established for healthcare centers providing cytoreductive surgery and HIPEC for the management of primary and secondary peritoneal cancers.
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Affiliation(s)
| | - Piotr Richter
- General, Oncological, Gastroenterological and Transplant Surgery Clinical Department, University Hospital of the Jagiellonian University
| | | | - Adam Dziki
- Department of General and Colorectal Surgery, Medical University of Lodz
| | | | | | - Wojciech Wysocki
- Department of General, Oncological and Vascular Surgery, Fifth Military Hospital in Kraków
| | - Marek Jackowski
- Department of General and Gastrointestinal Surgery and Surgical Oncology, Nicolaus Copernicus University in Torun
| | - Marek Bębenek
- Surgical Oncology Department, Lower Silesian Oncology Center in Wroclaw
| | - Tomasz Olesiński
- Surgical Unit, Department of Gastrointestinal Oncology, Maria Sklodowska-Curie National Research Institute of Oncology
| | | | - Lucjan Wyrwicz
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie National Research Institute of Oncology
| | - Dariusz Wydra
- Department of Gynecologic Oncology, Medical University of Gdansk
| | | | - Piotr Czauderna
- Department of Surgery and Pediatric Urology, Medical University of Gdansk
| | | | - Tomasz Polec
- Department of Surgical Oncology, Medical University of Gdansk
| | - Radosław Owczuk
- Department of Anesthesiology and Intensive Care Unit, Medical University of Gdansk
| | - Anna Sommer
- Department of Anesthesiology and Intensive Care Unit, Medical University of Gdansk
| | | | - Jerzy Mielko
- Department of Surgical Oncology, Medical University of Lublin
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13
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Bieńkowski M, Kunc M, Iliszko M, Kuźniacka A, Studniarek M, Biernat W. MAML2 rearrangement as a useful diagnostic marker discriminating between Warthin tumour and Warthin-like mucoepidermoid carcinoma. Virchows Arch 2020; 477:393-400. [PMID: 32222825 PMCID: PMC7443186 DOI: 10.1007/s00428-020-02798-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/11/2020] [Accepted: 03/17/2020] [Indexed: 12/27/2022]
Abstract
Warthin tumour is the second most common benign neoplasm of salivary glands. Despite its relatively characteristic histology, it may sometimes mimic other lesions. Here, we report two female non-smoker patients diagnosed with low-grade mucoepidermoid carcinoma with oncocytic epithelium and prominent lymphoid (Warthin-like) stroma and with molecularly confirmed MAML2 rearrangement. In addition, we screened a consecutive series of 114 Warthin tumour cases by means of MAML2 break apart fluorescence in situ hybridization to assess its value in differential diagnosis. MAML2 rearrangement was detected in both mucoepidermoid carcinoma cases, while all Warthin tumours were negative. Taking into account the literature data, Warthin-like mucoepidermoid carcinomas are more frequently observed in women, while a slight male predominance and smoking history are typical for Warthin tumour. In addition, the patients with Warthin-like mucoepidermoid carcinoma were significantly younger than those with Warthin tumour. To conclude, Warthin-like mucoepidermoid carcinoma may usually be suspected based on histology, while the diagnosis can be confirmed by means of molecular assays such as FISH. The investigation of MAML2 status is particularly advised when Warthin tumour is considered in a young, non-smoking, female patient.
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Affiliation(s)
- Michał Bieńkowski
- Department of Pathomorphology, Faculty of Medicine, Medical University of Gdańsk, Mariana Smoluchowskiego 17, Gdańsk, 80-214, Poland.
| | - Michał Kunc
- Department of Pathomorphology, Faculty of Medicine, Medical University of Gdańsk, Mariana Smoluchowskiego 17, Gdańsk, 80-214, Poland
| | - Mariola Iliszko
- Department of Biology and Medical Genetics, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Alina Kuźniacka
- Department of Biology and Medical Genetics, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Michał Studniarek
- Department of Radiology, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Wojciech Biernat
- Department of Pathomorphology, Faculty of Medicine, Medical University of Gdańsk, Mariana Smoluchowskiego 17, Gdańsk, 80-214, Poland
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14
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Krylov DS, Schimmel S, Dubrovin V, Liu F, Nguyen TTN, Spree L, Chen C, Velkos G, Bulbucan C, Westerström R, Studniarek M, Dreiser J, Hess C, Büchner B, Avdoshenko SM, Popov AA. Substrate‐Independent Magnetic Bistability in Monolayers of the Single‐Molecule Magnet Dy
2
ScN@C
80
on Metals and Insulators. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Denis S. Krylov
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
- Center for Quantum Nanoscience Institute for Basic Science (IBS) Seoul Republic of Korea
| | - Sebastian Schimmel
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Vasilii Dubrovin
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Fupin Liu
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - T. T. Nhung Nguyen
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Lukas Spree
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Chia‐Hsiang Chen
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
- Department of Medicinal and Applied Chemistry Kaohsiung Medical University Kaohsiung 807 Taiwan
| | - Georgios Velkos
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Claudiu Bulbucan
- The division of synchrotron radiation research Lund University 22100 Lund Sweden
| | - Rasmus Westerström
- The division of synchrotron radiation research Lund University 22100 Lund Sweden
| | - Michał Studniarek
- Swiss Light Source Paul Scherrer Institute 5232 Villigen PSI Switzerland
| | - Jan Dreiser
- Swiss Light Source Paul Scherrer Institute 5232 Villigen PSI Switzerland
| | - Christian Hess
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Bernd Büchner
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Stanislav M. Avdoshenko
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
| | - Alexey A. Popov
- Leibniz Institute for Solid State and Materials Research Helmholtzstraße 20 01069 Dresden Germany
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15
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Krylov DS, Schimmel S, Dubrovin V, Liu F, Nguyen TTN, Spree L, Chen C, Velkos G, Bulbucan C, Westerström R, Studniarek M, Dreiser J, Hess C, Büchner B, Avdoshenko SM, Popov AA. Substrate-Independent Magnetic Bistability in Monolayers of the Single-Molecule Magnet Dy 2 ScN@C 80 on Metals and Insulators. Angew Chem Int Ed Engl 2020; 59:5756-5764. [PMID: 31860759 PMCID: PMC7155138 DOI: 10.1002/anie.201913955] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/11/2019] [Indexed: 01/08/2023]
Abstract
Magnetic hysteresis is demonstrated for monolayers of the single-molecule magnet (SMM) Dy2 ScN@C80 deposited on Au(111), Ag(100), and MgO|Ag(100) surfaces by vacuum sublimation. The topography and electronic structure of Dy2 ScN@C80 adsorbed on Au(111) were studied by STM. X-ray magnetic CD studies show that the Dy2 ScN@C80 monolayers exhibit similarly broad magnetic hysteresis independent on the substrate used, but the orientation of the Dy2 ScN cluster depends strongly on the surface. DFT calculations show that the extent of the electronic interaction of the fullerene molecules with the surface is increasing dramatically from MgO to Au(111) and Ag(100). However, the charge redistribution at the fullerene-surface interface is fully absorbed by the carbon cage, leaving the state of the endohedral cluster intact. This Faraday cage effect of the fullerene preserves the magnetic bistability of fullerene-SMMs on conducting substrates and facilitates their application in molecular spintronics.
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Affiliation(s)
- Denis S. Krylov
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
- Center for Quantum NanoscienceInstitute for Basic Science (IBS)SeoulRepublic of Korea
| | - Sebastian Schimmel
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Vasilii Dubrovin
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Fupin Liu
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - T. T. Nhung Nguyen
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Lukas Spree
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Chia‐Hsiang Chen
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
- Department of Medicinal and Applied ChemistryKaohsiung Medical UniversityKaohsiung807Taiwan
| | - Georgios Velkos
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Claudiu Bulbucan
- The division of synchrotron radiation researchLund University22100LundSweden
| | - Rasmus Westerström
- The division of synchrotron radiation researchLund University22100LundSweden
| | - Michał Studniarek
- Swiss Light SourcePaul Scherrer Institute5232Villigen PSISwitzerland
| | - Jan Dreiser
- Swiss Light SourcePaul Scherrer Institute5232Villigen PSISwitzerland
| | - Christian Hess
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Bernd Büchner
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Stanislav M. Avdoshenko
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
| | - Alexey A. Popov
- Leibniz Institute for Solid State and Materials ResearchHelmholtzstraße 2001069DresdenGermany
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16
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Gałąska R, Kulawiak-Gałąska D, Chmara M, Chlebus K, Mickiewicz A, Rynkiewicz A, Wasąg B, Studniarek M, Fijałkowski M, Gruchała M. Carotid intima-media thickness (IMT) in patients with severe familial and non-familial hypercholesterolemia: The effect of measurement site on the IMT correlation with traditional cardiovascular risk factors and calcium scores. Cardiol J 2020; 28:271-278. [PMID: 32207844 DOI: 10.5603/cj.a2020.0032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/10/2020] [Accepted: 02/17/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND The carotid intima-media thickness (IMT) measurement may be carried out proximally (pIMT) or distally (dIMT) in relation to the bulb of the common carotid artery which has significant implications on the results and correlation with risk factors. The aim of the study was to compare the pIMT and dIMT in patients with familial hypercholesterolemia confirmed by genetic testing (FH group) and patients with severe non-familial hypercholesterolemia, with negative results of genetic testing (NFH group) and to determine the correlation of results with traditional atherosclerotic risk factors and calcium scores. METHODS A total of 86 FH and 50 NFH patients underwent pIMT and dIMT measurements of both carotid arteries as well as computed tomography (CT) with coronary and thoracic aorta calcium scoring. RESULTS The meanpIMT of both right and left common carotid artery were significantly higher in patients with FH compared to the NFH group (meanpRIMT 0.721 ± 0.152 vs. 0.644 ± 0.156, p < 0.01, meanpLIMT 0.758 ± 0.173 vs. 0.670 ± 0.110, p < 0.01). Patient age, pre-treatment lowdensity lipoprotein (LDL) cholesterol levels (LDLmax) at baseline and systolic blood pressure were independent predictors of pIMT increases in both carotid arteries. Smoking history, age and LDLmax were independent predictors of dIMT increase. There was a significant correlation between the calcium scores of the ascending aorta, coronary artery and aortic valve and all IMT parameters. CONCLUSIONS The IMT measured proximally better between patients with familial and non-familial hypercholesterolemia. The association between IMT and traditional cardiovascular risk factors varies between measurement sites. IMT values correlate CT calcium scores in all patients with hypercholesterolaemia regardless of genetic etiology.
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Affiliation(s)
- Rafal Gałąska
- 1st Department of Cardiology, Medical University of Gdansk.
| | | | - Magdalena Chmara
- Department of Biology and Genetics, Medical University of Gdansk
| | | | | | - Andrzej Rynkiewicz
- Department of Cardiology and Cardiosurgery, University of Warmia and Mazury, Olsztyn
| | - Bartosz Wasąg
- Department of Biology and Genetics, Medical University of Gdansk
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17
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Köbke A, Gutzeit F, Röhricht F, Schlimm A, Grunwald J, Tuczek F, Studniarek M, Longo D, Choueikani F, Otero E, Ohresser P, Rohlf S, Johannsen S, Diekmann F, Rossnagel K, Weismann A, Jasper-Toennies T, Näther C, Herges R, Berndt R, Gruber M. Reversible coordination-induced spin-state switching in complexes on metal surfaces. Nat Nanotechnol 2020; 15:18-21. [PMID: 31873288 DOI: 10.1038/s41565-019-0594-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 11/14/2019] [Indexed: 06/10/2023]
Abstract
Molecular spin switches are attractive candidates for controlling the spin polarization developing at the interface between molecules and magnetic metal surfaces1,2, which is relevant for molecular spintronics devices3-5. However, so far, intrinsic spin switches such as spin-crossover complexes have suffered from fragmentation or loss of functionality following adsorption on metal surfaces, with rare exceptions6-9. Robust metal-organic platforms, on the other hand, rely on external axial ligands to induce spin switching10-14. Here we integrate a spin switching functionality into robust complexes, relying on the mechanical movement of an axial ligand strapped to the porphyrin ring. Reversible interlocked switching of spin and coordination, induced by electron injection, is demonstrated on Ag(111) for this class of compounds. The stability of the two spin and coordination states of the molecules exceeds days at 4 K. The potential applications of this switching concept go beyond the spin functionality, and may turn out to be useful for controlling the catalytic activity of surfaces15.
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Affiliation(s)
- Alexander Köbke
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Florian Gutzeit
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Fynn Röhricht
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Alexander Schlimm
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Jan Grunwald
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Felix Tuczek
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | | | - Danilo Longo
- Synchrotron SOLEIL, L'Orme des Merisiers, Gif-sur-Yvette, France
| | - Fadi Choueikani
- Synchrotron SOLEIL, L'Orme des Merisiers, Gif-sur-Yvette, France
| | - Edwige Otero
- Synchrotron SOLEIL, L'Orme des Merisiers, Gif-sur-Yvette, France
| | | | - Sebastian Rohlf
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
- Ruprecht-Haensel-Labor, Christian-Albrechts-Universität zu Kiel und Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - Sven Johannsen
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Florian Diekmann
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
- Ruprecht-Haensel-Labor, Christian-Albrechts-Universität zu Kiel und Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - Kai Rossnagel
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
- Ruprecht-Haensel-Labor, Christian-Albrechts-Universität zu Kiel und Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - Alexander Weismann
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Torben Jasper-Toennies
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Christian Näther
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Rainer Herges
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany.
| | - Richard Berndt
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Manuel Gruber
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Kiel, Germany.
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18
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Studniarek M, Wäckerlin C, Singha A, Baltic R, Diller K, Donati F, Rusponi S, Brune H, Lan Y, Klyatskaya S, Ruben M, Seitsonen AP, Dreiser J. Understanding the Superior Stability of Single-Molecule Magnets on an Oxide Film. Adv Sci (Weinh) 2019; 6:1901736. [PMID: 31763154 PMCID: PMC6864999 DOI: 10.1002/advs.201901736] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 09/05/2019] [Indexed: 05/12/2023]
Abstract
The stability of magnetic information stored in surface adsorbed single-molecule magnets is of critical interest for applications in nanoscale data storage or quantum computing. The present study combines X-ray magnetic circular dichroism, density functional theory and magnetization dynamics calculations to gain deep insight into the substrate dependent relevant magnetization relaxation mechanisms. X-ray magnetic circular dichroism reveals the opening of a butterfly-shaped magnetic hysteresis of DyPc2 molecules on magnesium oxide and a closed loop on the bare silver substrate, while density functional theory shows that the molecules are only weakly adsorbed in both cases of magnesium oxide and silver. The enhanced magnetic stability of DyPc2 on the oxide film, in conjunction with previous experiments on the TbPc2 analogue, points to a general validity of the magnesium oxide induced stabilization effect. Magnetization dynamics calculations reveal that the enhanced magnetic stability of DyPc2 and TbPc2 on the oxide film is due to the suppression of two-phonon Raman relaxation processes. The results suggest that substrates with low phonon density of states are beneficial for the design of spintronics devices based on single-molecule magnets.
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Affiliation(s)
- Michał Studniarek
- Swiss Light SourcePaul Scherrer Institut (PSI)CH‐5232VilligenSwitzerland
| | - Christian Wäckerlin
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
- Institute of PhysicsThe Czech Academy of SciencesCukrovarnická 10CZ‐162 00Prague 6Czech Republic
| | - Aparajita Singha
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
- Center for Quantum NanoscienceInstitute for Basic Science (IBS)03760SeoulRepublic of Korea
- Department of PhysicsEwha Womans University03760SeoulRepublic of Korea
| | - Romana Baltic
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
| | - Katharina Diller
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
| | - Fabio Donati
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
- Center for Quantum NanoscienceInstitute for Basic Science (IBS)03760SeoulRepublic of Korea
- Department of PhysicsEwha Womans University03760SeoulRepublic of Korea
| | - Stefano Rusponi
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
| | - Harald Brune
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
| | - Yanhua Lan
- Institute of Nanotechnology (INT)Karlsruhe Institute of Technology (KIT)Hermann‐von‐Helmholtz‐Platz 1D‐76344Eggenstein‐LeopoldshafenGermany
| | - Svetlana Klyatskaya
- Institute of Nanotechnology (INT)Karlsruhe Institute of Technology (KIT)Hermann‐von‐Helmholtz‐Platz 1D‐76344Eggenstein‐LeopoldshafenGermany
| | - Mario Ruben
- Institute of Nanotechnology (INT)Karlsruhe Institute of Technology (KIT)Hermann‐von‐Helmholtz‐Platz 1D‐76344Eggenstein‐LeopoldshafenGermany
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS)Centre National de la Recherche Scientifique (CNRS)Université de Strasbourg23 rue du Loess, BP 43F‐67034Strasbourg Cedex 2France
| | - Ari Paavo Seitsonen
- Département de ChimieÉcole Normale SupérieureF‐75005ParisFrance
- Centre National de la Recherche Scientifique (CNRS)Paris Sciences et LettresSorbonne UniversitéF‐75005ParisFrance
| | - Jan Dreiser
- Swiss Light SourcePaul Scherrer Institut (PSI)CH‐5232VilligenSwitzerland
- Institute of Physics (IPHYS)École Polytechnique Fédérale de Lausanne (EPFL)Station 3CH‐1015LausanneSwitzerland
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19
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Jagielski M, Smoczyński M, Studniarek M, Adrych K. Spontaneous regression of asymptomatic walled-off pancreatic necrosis. Arch Med Sci 2019; 15:1278-1287. [PMID: 31572474 PMCID: PMC6764315 DOI: 10.5114/aoms.2018.75606] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Accepted: 04/15/2018] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Asymptomatic walled-off pancreatic necrosis (WOPN) should be treated conservatively, irrespective of the extent and size of the necrosis. The aim of this study was to evaluate the efficacy and safety of a strategy involving the observation of patients with asymptomatic WOPN over a long period of time. MATERIAL AND METHODS This study involved the retrospective analysis of 368 patients hospitalized in our department between 2010 and 2016, due to acute pancreatitis and its consequences in the form of pancreatic and peripancreatic fluid collection. RESULTS Walled-off pancreatic necrosis was identified in 168/368 (46%) patients. 124/168 (74%) patients with WOPN required interventional treatment due to clinical symptoms arising from the presence of the WOPN. Asymptomatic WOPN was identified in 44/168 (26%) patients. The mean observation time of patients with asymptomatic WOPN was 417.02 days (range: 47-1149 days). Only 1 out of the 44 patients (2%) failed to complete the follow-up. Complete regression of WOPN occurred in 30/44 (68%) patients. The presence of symptoms related to WOPN were identified in 13/44 (30%) patients during the observation. The most frequent indication for interventional treatment of WOPN was infection of the pancreatic necrosis, which was identified in 6/13 patients (46%). Altogether, 137/168 (82%) patients with WOPN required interventional treatment. CONCLUSIONS The majority of patients with WOPN required interventional treatment. This study provided evidence to support the view that careful observation of patients with asymptomatic WOPN is an efficient and safe treatment strategy. Long-term observation of such patients showed that most will experience spontaneous regression of asymptomatic WOPN without any other form of interventional treatment.
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Affiliation(s)
- Mateusz Jagielski
- Department of Gastroenterology and Hepatology, Medical University of Gdansk, Gdansk, Poland
| | - Marian Smoczyński
- Department of Gastroenterology and Hepatology, Medical University of Gdansk, Gdansk, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Krystian Adrych
- Department of Gastroenterology and Hepatology, Medical University of Gdansk, Gdansk, Poland
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20
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Daffé N, Jiménez JR, Studniarek M, Benchohra A, Arrio MA, Lescouëzec R, Dreiser J. Direct Observation of Charge Transfer and Magnetism in Fe 4Co 4 Cyanide-Bridged Molecular Cubes. J Phys Chem Lett 2019; 10:1799-1804. [PMID: 30895790 DOI: 10.1021/acs.jpclett.8b03839] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We have studied the zero-dimensional cubane molecular correspondent of a Prussian blue analogue Cs-Fe4Co4 at low temperature and high magnetic field by means of L-edge X-ray absorption spectroscopy and X-ray magnetic circular dichroism. We probe the magnetic and electronic structures of Fe and Co separately upon light irradiation, which allows us to observe directly the electron transfer coupled to a spin transition phenomenon within the molecular cubes and to investigate the nature of the metastable photoexcited state. The magnetic moments in the photoexcited state are found to be M = 1.3μB ( Mspin = 0.59μB with large orbital moment, Morbit = 0.74μB) for low-spin FeIII and M = 1.5μB ( Mspin = 1.08μB with orbital moment, Morbit = 0.41μB) for high-spin CoII at 2 K and 6.8 T. From our results, we evidence that a strong antiferromagnetic coupling between the metal ions can be ruled out.
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Affiliation(s)
- Niéli Daffé
- Paul Scherrer Institut , CH-5232 Villigen PSI , Switzerland
| | - Juan-Ramón Jiménez
- Institut Parisien de Chimie Moléculaire, CNRS UMR 8232, Sorbonne Université , F-75252 Paris , France
| | | | - Amina Benchohra
- Institut Parisien de Chimie Moléculaire, CNRS UMR 8232, Sorbonne Université , F-75252 Paris , France
| | - Marie-Anne Arrio
- CNRS, Sorbonne Université/IRD/MNHN, UMR 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, IMPMC , F-75252 Paris , France
| | - Rodrigue Lescouëzec
- Institut Parisien de Chimie Moléculaire, CNRS UMR 8232, Sorbonne Université , F-75252 Paris , France
| | - Jan Dreiser
- Paul Scherrer Institut , CH-5232 Villigen PSI , Switzerland
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21
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Ramanantoanina H, Studniarek M, Daffé N, Dreiser J. Non-empirical calculation of X-ray magnetic circular dichroism in lanthanide compounds. Chem Commun (Camb) 2019; 55:2988-2991. [PMID: 30785135 DOI: 10.1039/c8cc09321k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Affordable calculations of X-ray magnetic circular dichroism and X-ray linear dichroism spectra of lanthanide ions purely based on structural input are difficult to achieve. Here we report on the successful application of ligand-field density-functional theory to obtain an exquisite reproduction of experimental spectra. As a testbed we use TbPc2 single-molecule magnets on a flat substrate.
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22
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Rosado Piquer L, Escoda-Torroella M, Ledezma Gairaud M, Carneros S, Daffé N, Studniarek M, Dreiser J, Wernsdorfer W, Sañudo EC. Hysteresis enhancement on a hybrid Dy(iii) single molecule magnet/iron oxide nanoparticle system. Inorg Chem Front 2019. [DOI: 10.1039/c8qi01346b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A novel hybrid NP-Dy12 system presents an enhancement of the magnetization hysteresis with respect to the isolated components while retaining the morphological characteristics of the parent NPs.
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Affiliation(s)
- Lidia Rosado Piquer
- Institut de Nanociència i Nanotecnologia-UB
- Barcelona
- Spain
- Secció de Química Inorgànica
- Departament de Química Inorgànica i Orgànica
| | - Mariona Escoda-Torroella
- Institut de Nanociència i Nanotecnologia-UB
- Barcelona
- Spain
- Secció de Química Inorgànica
- Departament de Química Inorgànica i Orgànica
| | - Marisol Ledezma Gairaud
- Escuela de Química
- Universidad de Costa Rica
- San José
- Costa Rica
- Centro de Electroquímica y Energía Química
| | - Saul Carneros
- Secció de Química Inorgànica
- Departament de Química Inorgànica i Orgànica
- Universitat de Barcelona
- Av. Diagonal 645
- Spain
| | - Niéli Daffé
- Swiss Light Source
- Paul Scherrer Institute
- Villigen PSI
- Switzerland
| | | | - Jan Dreiser
- Swiss Light Source
- Paul Scherrer Institute
- Villigen PSI
- Switzerland
| | | | - E. Carolina Sañudo
- Institut de Nanociència i Nanotecnologia-UB
- Barcelona
- Spain
- Secció de Química Inorgànica
- Departament de Química Inorgànica i Orgànica
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23
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Gałąska R, Kulawiak-Gałąska D, Chmara M, Chlebus K, Studniarek M, Fijałkowski M, Wasąg B, Rynkiewicz A, Gruchała M. Aortic valve calcium score in hypercholesterolemic patients with and without low-density lipoprotein receptor gene mutation. PLoS One 2018; 13:e0209229. [PMID: 30592719 PMCID: PMC6310281 DOI: 10.1371/journal.pone.0209229] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 11/30/2018] [Indexed: 11/18/2022] Open
Abstract
The aim of this study was a comparison of aortic valve calcium score (AVCS) between patients with hypercholesterolemia and genetic diagnosis of familial hypercholesterolemia with low-density lipoprotein receptor gene mutation (LDLR-M group), versus patients with hypercholesterolemia without LDLR gene mutation (LDLR-WT group). A total of 72 LDLR-M patients and 50 LDLR-WT patients were enrolled in the study and underwent CT as a part of an assessment of coronary calcium scoring. AVCS was determined and compared between the two patient groups. AVCS was significantly higher in the LDLR-M group in comparison to the LDLR-WT group (13.8 ± 37.9 vs. 0.94 ± 3.1, p = 0.03). The Yates' chi-squared test for independence revealed that LDLR mutation and AVCS were significantly dependable (Chi^2 = 6.106, p = 0.013). The LDLR mutation was a strong predictor of a high AVCS (OR 7.83, 95% CI 2.08–29.50, p = 0.002) on multivariate regression analysis. Among the traditional risk factors, age (odds ratio 1.12, 95% CI 1.05–1.18, p<0.001) and SBP (OR 1.04, 95% CI 1.00–1.07, p = 0.045) were also significant for high result of AVCS. An assessment of computed tomography calcium scores showed that LDLR-M patients have increased AVCS in comparison to those with LDLR-WT. In addition, LDLR mutation can be considered as an independent risk factor of having high AVSC even after adjustment for risk factors including cholesterol levels. This may result from the associated process connected with the regulatory role of LDLR in evolution of aortic valve calcifications.
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Affiliation(s)
- Rafal Gałąska
- 1st Department of Cardiology, Medical University of Gdansk, Gdansk, Poland
- * E-mail:
| | | | - Magdalena Chmara
- Department of Biology and Genetics, Medical University of Gdansk, Gdansk, Poland
| | - Krzysztof Chlebus
- 1st Department of Cardiology, Medical University of Gdansk, Gdansk, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Marcin Fijałkowski
- 1st Department of Cardiology, Medical University of Gdansk, Gdansk, Poland
| | - Bartosz Wasąg
- Department of Biology and Genetics, Medical University of Gdansk, Gdansk, Poland
| | - Andrzej Rynkiewicz
- Department of Cardiology and Cardiosurgery, University of Warmia and Mazury, Olsztyn, Poland
| | - Marcin Gruchała
- 1st Department of Cardiology, Medical University of Gdansk, Gdansk, Poland
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24
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Schleicher F, Studniarek M, Kumar KS, Urbain E, Katcko K, Chen J, Frauhammer T, Hervé M, Halisdemir U, Kandpal LM, Lacour D, Riminucci A, Joly L, Scheurer F, Gobaut B, Choueikani F, Otero E, Ohresser P, Arabski J, Schmerber G, Wulfhekel W, Beaurepaire E, Weber W, Boukari S, Ruben M, Bowen M. Linking Electronic Transport through a Spin Crossover Thin Film to the Molecular Spin State Using X-ray Absorption Spectroscopy Operando Techniques. ACS Appl Mater Interfaces 2018; 10:31580-31585. [PMID: 30136570 DOI: 10.1021/acsami.8b11495] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
One promising route toward encoding information is to utilize the two stable electronic states of a spin crossover molecule. Although this property is clearly manifested in transport across single molecule junctions, evidence linking charge transport across a solid-state device to the molecular film's spin state has thus far remained indirect. To establish this link, we deploy materials-centric and device-centric operando experiments involving X-ray absorption spectroscopy. We find a correlation between the temperature dependencies of the junction resistance and the Fe spin state within the device's [Fe(H2B(pz)2)2(NH2-phen)] molecular film. We also factually observe that the Fe molecular site mediates charge transport. Our dual operando studies reveal that transport involves a subset of molecules within an electronically heterogeneous spin crossover film. Our work confers an insight that substantially improves the state-of-the-art regarding spin crossover-based devices, thanks to a methodology that can benefit device studies of other next-generation molecular compounds.
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Affiliation(s)
- Filip Schleicher
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
- Université de Lorraine, CNRS, IJL , F-54000 Nancy , France
| | - Michał Studniarek
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Kuppusamy Senthil Kumar
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Etienne Urbain
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Kostantine Katcko
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Jinjie Chen
- Physikalisches Institut , Karlsruhe Institute of Technology , Wolfgang-Gaede-Str. 1 , 76131 Karlsruhe , Germany
| | - Timo Frauhammer
- Physikalisches Institut , Karlsruhe Institute of Technology , Wolfgang-Gaede-Str. 1 , 76131 Karlsruhe , Germany
| | - Marie Hervé
- Physikalisches Institut , Karlsruhe Institute of Technology , Wolfgang-Gaede-Str. 1 , 76131 Karlsruhe , Germany
| | - Ufuk Halisdemir
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Lalit Mohan Kandpal
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Daniel Lacour
- Université de Lorraine, CNRS, IJL , F-54000 Nancy , France
| | | | - Loic Joly
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Fabrice Scheurer
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Benoit Gobaut
- Synchrotron SOLEIL, L'Orme des Merisiers , Saint-Aubin, BP 48 , 91192 Gif-sur-Yvette , France
| | - Fadi Choueikani
- Synchrotron SOLEIL, L'Orme des Merisiers , Saint-Aubin, BP 48 , 91192 Gif-sur-Yvette , France
| | - Edwige Otero
- Synchrotron SOLEIL, L'Orme des Merisiers , Saint-Aubin, BP 48 , 91192 Gif-sur-Yvette , France
| | - Philippe Ohresser
- Synchrotron SOLEIL, L'Orme des Merisiers , Saint-Aubin, BP 48 , 91192 Gif-sur-Yvette , France
| | - Jacek Arabski
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Guy Schmerber
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Wulf Wulfhekel
- Physikalisches Institut , Karlsruhe Institute of Technology , Wolfgang-Gaede-Str. 1 , 76131 Karlsruhe , Germany
- Institute of Nanotechnology , Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany
| | - Eric Beaurepaire
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Wolfgang Weber
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Samy Boukari
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
| | - Mario Ruben
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
- Institute of Nanotechnology , Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany
| | - Martin Bowen
- IPCMS, UMR 7504 CNRS, Université de Strasbourg , 23 Rue du Loess, BP 43 , 67034 Strasbourg Cedex 2, France
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25
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Chen CH, Krylov DS, Avdoshenko SM, Liu F, Spree L, Westerström R, Bulbucan C, Studniarek M, Dreiser J, Wolter AUB, Büchner B, Popov AA. Magnetic hysteresis in self-assembled monolayers of Dy-fullerene single molecule magnets on gold. Nanoscale 2018; 10:11287-11292. [PMID: 29882575 PMCID: PMC6018719 DOI: 10.1039/c8nr00511g] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 05/22/2018] [Indexed: 06/08/2023]
Abstract
Fullerene single molecule magnets (SMMs) DySc2N@C80 and Dy2ScN@C80 are functionalized via a 1,3-dipolar cycloaddition with surface-anchoring thioether groups. The SMM properties of Dy-fullerenes are substantially affected by the cycloaddition. Submonolayers of the physisorbed derivatives exhibit magnetic hysteresis on an Au(111) surface at 2 K as revealed by X-ray magnetic circular dichroism.
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Affiliation(s)
- C-H Chen
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - D S Krylov
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - S M Avdoshenko
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - F Liu
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - L Spree
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - R Westerström
- The Division of Synchrotron Radiation Research, Lund University, SE-22100 Lund, Sweden
| | - C Bulbucan
- The Division of Synchrotron Radiation Research, Lund University, SE-22100 Lund, Sweden
| | - M Studniarek
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | - J Dreiser
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | - A U B Wolter
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - B Büchner
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
| | - A A Popov
- Leibniz Institute for Solid State and Materials Research (IFW), D-01069 Dresden, Germany.
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26
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Szarmach A, Kaszubowski M, Sabisz A, Frydrychowski AF, Halena G, Piskunowicz M, Dzierzanowski J, Studniarek M, Szurowska E, Winklewski PJ. Regional resting state perfusion variability and delayed cerebrovascular uniform reactivity in subjects with chronic carotid artery stenosis. Acta Biochim Pol 2018. [PMID: 29529102 DOI: 10.18388/abp.2018_2581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The aim of this study was to assess regional perfusion at baseline and regional cerebrovascular resistance (CVR) to delayed acetazolamide challenge in subjects with chronic carotid artery stenosis. Sixteen patients (ten males) aged 70.94±7.71 with carotid artery stenosis ≥ 90% on the ipsilateral side and ≤ 50% on the contralateral side were enrolled into the study. In all patients, two computed tomography perfusion examinations were carried out; the first was performed before acetazolamide administration and the second 60 minutes after injection. The differences between mean values were examined by paired two-sample t-test and alternative nonparametric Wilcoxon's test. Normality assumption was examined using W Shapiro-Wilk test. The lowest resting-state cerebral blood flow (CBF) was observed in white matter (ipsilateral side: 18.4±6.2; contralateral side: 19.3±6.6) and brainstem (ipsilateral side: 27.8±8.5; contralateral side: 29.1±10.8). Grey matter (cerebral cortex) resting state CBF was below the normal value for subjects of this age: frontal lobe - ipsilateral side: 30.4±7.0, contralateral side: 33.7±7.1; parietal lobe - ipsilateral side: 36.4±11.3, contralateral side: 42.7±9.9; temporal lobe - ipsilateral side: 32.5±8.6, contralateral side: 39.4±10.8; occipital lobe - ipsilateral side: 24.0±6.0, contralateral side: 26.4±6.6). The highest resting state CBF was observed in the insula (ipsilateral side: 49.2±17.4; contralateral side: 55.3±18.4). A relatively high resting state CBF was also recorded in the thalamus (ipsilateral side: 39.7±16.9; contralateral side: 41.7±14.1) and cerebellum (ipsilateral side: 41.4±12.2; contralateral side: 38.1±11.3). The highest CVR was observed in temporal lobe cortex (ipsilateral side: +27.1%; contralateral side: +26.1%) and cerebellum (ipsilateral side: +27.0%; contralateral side: +34.6%). The lowest CVR was recorded in brain stem (ipsilateral side: +20.2%; contralateral side: +22.2%) and white matter (ipsilateral side: +18.1%; contralateral side: +18.3%). All CBF values were provided in milliliters of blood per minute per 100 g of brain tissue (ml/100g/min). Resting state circulation in subjects with carotid artery stenosis is low in all analysed structures with the exception of insula and cerebellum. Acetazolamide challenge yields relatively uniform response in both hemispheres in the investigated population. Grey matter is more reactive to acetazolamide challenge than white matter or brainstem.
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Affiliation(s)
- Arkadiusz Szarmach
- 2nd Department of Radiology, Medical University of Gdansk, Gdańsk, Poland
| | - Mariusz Kaszubowski
- Department of Economic Sciences, Faculty of Management and Economics, Gdansk University of Technology, Gdańsk, Poland
| | - Agnieszka Sabisz
- 2nd Department of Radiology, Medical University of Gdansk, Gdańsk, Poland
| | | | - Grzegorz Halena
- Department of Cardiovascular Surgery, Medical University of Gdansk, Gdańsk, Poland
| | - Maciej Piskunowicz
- 1-st Department of Radiology, Medical University of Gdansk, Gdańsk, Poland
| | | | - Michał Studniarek
- 1-st Department of Radiology, Medical University of Gdansk, Gdańsk, Poland
- Department of Diagnostic Imaging, Medical University of Warsaw, Warsaw, Poland
| | - Edyta Szurowska
- 2nd Department of Radiology, Medical University of Gdansk, Gdańsk, Poland
| | - Pawel J Winklewski
- 2nd Department of Radiology, Medical University of Gdansk, Gdańsk, Poland
- Department of Human Physiology, Medical University of Gdansk, Gdańsk, Poland
- Faculty of Health Sciences, Pomeranian University of Slupsk, Słupsk, Poland
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27
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Konarzewska A, Korzon-Burakowska A, Rzepecka-Wejs L, Sudoł-Szopińska I, Szurowska E, Studniarek M. Diabetic foot syndrome: Charcot arthropathy or osteomyelitis? Part I: Clinical picture and radiography. J Ultrason 2018; 18:42-49. [PMID: 29844940 PMCID: PMC5911718 DOI: 10.15557/jou.2018.0007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 01/18/2018] [Accepted: 01/22/2018] [Indexed: 11/22/2022] Open
Abstract
One of significant challenges faced by diabetologists, surgeons and orthopedists who care for patients with diabetic foot syndrome is early diagnosis and differentiation of bone structure abnormalities typical of these patients, i.e. osteitis and Charcot arthropathy. In addition to clinical examination, the patient's medical history and laboratory tests, imaging plays a significant role. The evaluation usually begins with conventional radiographs. In the case of osteomyelitis, radiography shows osteopenia, lytic lesions, cortical destruction, periosteal reactions as well as, in the chronic phase, osteosclerosis and sequestra. Neurogenic arthropathy, however, presents an image resembling rapidly progressing osteoarthritis combined with aseptic necrosis or inflammation. The image includes: bone destruction with subluxations and dislocations as well as pathological fractures that lead to the presence of bone debris, osteopenia and, in the later phase, osteosclerosis, joint space narrowing, periosteal reactions, grotesque osteophytes and bone ankylosis. In the case of an unfavorable course of the disease and improper or delayed treatment, progression of these changes may lead to significant foot deformity that might resemble a "bag of bones". Unfortunately, radiography is non-specific and frequently does not warrant an unambiguous diagnosis, particularly in the initial phase preceding bone destruction. For these reasons, alternative imaging methods, such as magnetic resonance tomography, scintigraphy, computed tomography and ultrasonography, are also indicated.
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Affiliation(s)
| | - Anna Korzon-Burakowska
- Unit of Prevention and Didactics, Department of Hypertension and Diabetology, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Iwona Sudoł-Szopińska
- Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Edyta Szurowska
- Second Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Michał Studniarek
- First Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
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28
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Kumar KS, Studniarek M, Heinrich B, Arabski J, Schmerber G, Bowen M, Boukari S, Beaurepaire E, Dreiser J, Ruben M. Engineering On-Surface Spin Crossover: Spin-State Switching in a Self-Assembled Film of Vacuum-Sublimable Functional Molecule. Adv Mater 2018; 30:1705416. [PMID: 29356142 DOI: 10.1002/adma.201705416] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/12/2017] [Indexed: 06/07/2023]
Abstract
The realization of spin-crossover (SCO)-based applications requires study of the spin-state switching characteristics of SCO complex molecules within nanostructured environments, especially on surfaces. Except for a very few cases, the SCO of a surface-bound thin molecular film is either quenched or heavily altered due to: (i) molecule-surface interactions and (ii) differing intermolecular interactions in films relative to the bulk. By fabricating SCO complexes on a weakly interacting surface, the interfacial quenching problem is tackled. However, engineering intermolecular interactions in thin SCO active films is rather difficult. Here, a molecular self-assembly strategy is proposed to fabricate thin spin-switchable surface-bound films with programmable intermolecular interactions. Molecular engineering of the parent complex system [Fe(H2 B(pz)2 )2 (bpy)] (pz = pyrazole, bpy = 2,2'-bipyridine) with a dodecyl (C12 ) alkyl chain yields a classical amphiphile-like functional and vacuum-sublimable charge-neutral FeII complex, [Fe(H2 B(pz)2 )2 (C12 -bpy)] (C12 -bpy = dodecyl[2,2'-bipyridine]-5-carboxylate). Both the bulk powder and 10 nm thin films sublimed onto either quartz glass or SiOx surfaces of the complex show comparable spin-state switching characteristics mediated by similar lamellar bilayer like self-assembly/molecular interactions. This unprecedented observation augurs well for the development of SCO-based applications, especially in molecular spintronics.
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Affiliation(s)
- Kuppusamy Senthil Kumar
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Michał Studniarek
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
- Swiss Light Source, Paul Scherrer Institut (PSI), CH-5232, Villigen, Switzerland
| | - Benoît Heinrich
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Jacek Arabski
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Guy Schmerber
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Martin Bowen
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Samy Boukari
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Eric Beaurepaire
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
| | - Jan Dreiser
- Swiss Light Source, Paul Scherrer Institut (PSI), CH-5232, Villigen, Switzerland
| | - Mario Ruben
- Institut de Physique et Chimie des Matériaux (IPCMS), Université de Strasbourg, F-67034, Strasbourg, France
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, D-76344, Eggenstein-Leopoldshafen, Germany
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Studniarek M, Halisdemir U, Schleicher F, Taudul B, Urbain E, Boukari S, Hervé M, Lambert CH, Hamadeh A, Petit-Watelot S, Zill O, Lacour D, Joly L, Scheurer F, Schmerber G, Da Costa V, Dixit A, Guitard PA, Acosta M, Leduc F, Choueikani F, Otero E, Wulfhekel W, Montaigne F, Monteblanco EN, Arabski J, Ohresser P, Beaurepaire E, Weber W, Alouani M, Hehn M, Bowen M. Probing a Device's Active Atoms. Adv Mater 2017; 29:1606578. [PMID: 28295696 DOI: 10.1002/adma.201606578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 01/25/2017] [Indexed: 06/06/2023]
Abstract
Materials science and device studies have, when implemented jointly as "operando" studies, better revealed the causal link between the properties of the device's materials and its operation, with applications ranging from gas sensing to information and energy technologies. Here, as a further step that maximizes this causal link, the paper focuses on the electronic properties of those atoms that drive a device's operation by using it to read out the materials property. It is demonstrated how this method can reveal insight into the operation of a macroscale, industrial-grade microelectronic device on the atomic level. A magnetic tunnel junction's (MTJ's) current, which involves charge transport across different atomic species and interfaces, is measured while these atoms absorb soft X-rays with synchrotron-grade brilliance. X-ray absorption is found to affect magnetotransport when the photon energy and linear polarization are tuned to excite FeO bonds parallel to the MTJ's interfaces. This explicit link between the device's spintronic performance and these FeO bonds, although predicted, challenges conventional wisdom on their detrimental spintronic impact. The technique opens interdisciplinary possibilities to directly probe the role of different atomic species on device operation, and shall considerably simplify the materials science iterations within device research.
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Affiliation(s)
- Michał Studniarek
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192, Gif-sur-Yvette, France
| | - Ufuk Halisdemir
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Filip Schleicher
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Beata Taudul
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Etienne Urbain
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Samy Boukari
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Marie Hervé
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - Charles-Henri Lambert
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Abbass Hamadeh
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Sebastien Petit-Watelot
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Olivia Zill
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Daniel Lacour
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Loïc Joly
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Fabrice Scheurer
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Guy Schmerber
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Victor Da Costa
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Anant Dixit
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Pierre André Guitard
- Service de Physique de l'Etat Condensé, CEA-IRAMIS-SPEC (CNRS-MPPU-URA 2464) CEA-Saclay, F-91191, Gif-sur-Yvette Cedex, France
| | - Manuel Acosta
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Florian Leduc
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192, Gif-sur-Yvette, France
| | - Fadi Choueikani
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192, Gif-sur-Yvette, France
| | - Edwige Otero
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192, Gif-sur-Yvette, France
| | - Wulf Wulfhekel
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - François Montaigne
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Elmer Nahuel Monteblanco
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Jacek Arabski
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Philippe Ohresser
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192, Gif-sur-Yvette, France
| | - Eric Beaurepaire
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Wolfgang Weber
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Mébarek Alouani
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
| | - Michel Hehn
- Institut Jean Lamour UMR 7198 CNRS, Université de Lorraine, BP 70239, 54506, Vandoeuvre les Nancy Cedex, France
| | - Martin Bowen
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000, Strasbourg, France
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Pałasz P, Adamski Ł, Górska-Chrząstek M, Starzyńska A, Studniarek M. Contemporary Diagnostic Imaging of Oral Squamous Cell Carcinoma - A Review of Literature. Pol J Radiol 2017; 82:193-202. [PMID: 28439324 PMCID: PMC5391802 DOI: 10.12659/pjr.900892] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 08/10/2016] [Indexed: 01/18/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) is the most common cancer of the oral cavity and constitutes 95% of all cancers of this area. Men are affected twice as commonly as women, primarily if they are over 50 years of age. Forty percent of the lesions are localized in the tongue and 30% in the floor of the oral cavity. OSCC often affects upper and lower gingiva, buccal mucous membrane, the retromolar triangle and the palate. The prognosis is poor and the five-year survival rate ranges from 20% (OSCC in the floor of the mouth) to 60% (OSCC in the alveolar part of the mandible). Treatment is difficult, because of the localization and the invasiveness of the available methods. The diagnosis is made based on a histopathological examination of a biopsy sample. The low detection rate of early oral SCC is a considerable clinical issue. Although the oral cavity can be easily examined, in the majority of cases oral SCC is diagnosed in its late stages. It is difficult to diagnose metastases in local lymph nodes and distant organs, which is important for planning the scope of resection and further treatment, graft implantation, and differentiation between reactive and metastatic lymph nodes as well as between disease recurrence and scars or adverse reactions after surgery or radiation therapy. Imaging studies are performed as part of the routine work-up in oral SCC. However, it is difficult to interpret the results at the early stages of the disease. The following imaging methods are used – dental radiographs, panoramic radiographs, magnetic resonance imaging with diffusion-weighted and dynamic sequences, perfusion computed tomography, cone beam computed tomography, single-photon emission computed tomography, hybrid methods (PET/CT, PET/MRI, SPECT/CT) and ultrasound. Some important clinical problems can be resolved with the use of novel modalities such as MRI with ADC sequences and PET. The aim of this article is to describe oral squamous cell carcinoma as it appears in different imaging methods considering both their advantages and limitations.
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Affiliation(s)
- Paulina Pałasz
- Department of Stomatology, Medical University of Gdańsk, Gdańsk, Poland.,Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Łukasz Adamski
- Department of Stomatology, Medical University of Gdańsk, Gdańsk, Poland.,Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Anna Starzyńska
- Department of Maxillofacial and Oral Surgery, Medical University of Gdańsk, Gdańsk, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland.,Department of Diagnostic Imaging, Medical University of Warsaw, Warsaw, Poland
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31
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Kozak O, Turzyński P, Markiet K, Pieńkowska J, Skrobisz-Balandowska K, Studniarek M. Uncharacteristic metastasis of a renal clear-cell carcinoma to the muscles of the forearm-case report. BJR Case Rep 2017; 3:20150495. [PMID: 30363241 PMCID: PMC6159187 DOI: 10.1259/bjrcr.20150495] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 12/20/2016] [Accepted: 01/13/2017] [Indexed: 12/18/2022] Open
Abstract
Clear-cell renal carcinoma constitutes over 90% of all cases of renal cancers. One of the least common locations of metastases of this type of cancer are skeletal muscles. We believe that this is the first case ever presented of renal clear-cell cancer metastasis to the extensor digitorum muscle. Our case should sensitize clinicians and radiologists dealing with this type of carcinoma to the abundance of metastases, their uncommon locations and frequently asymptomatic nature, which all makes them easy to overlook on physical and imaging examinations.
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Affiliation(s)
- Oliwia Kozak
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Paweł Turzyński
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Karolina Markiet
- 2nd Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | - Joanna Pieńkowska
- 2nd Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | | | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
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32
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Jagielski M, Smoczyński M, Studniarek M, Adrych K. Description Of Minimally Invasive Methods Of Treatment Of Walled-Off Pancreatic Necrosis (WOPN)--The Use Of "Step-Up Approach" In Patient With Pancreatic Necrosis. Pol Przegl Chir 2016; 87:409-12. [PMID: 26495917 DOI: 10.1515/pjs-2015-0080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Indexed: 11/15/2022]
Abstract
The study presents description of treatment of patients with walled-off pancreatic necrosis (WOPN). The strategy of treatment was to extend access to necrotic areas ("step-up approach"). Applied endoscopic transmural access (transgastric) and percutaneous access (transperitoneal). The endoscopic necrosectomy under fluoroscopic guidance was repeated four times during active transluminal drainage. Endoscopic treatment with percutaneous drainage gave very beneficial clinical effects.
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33
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Joly L, Muller B, Sternitzky E, Faullumel JG, Boulard A, Otero E, Choueikani F, Kappler JP, Studniarek M, Bowen M, Ohresser P. Versatile variable temperature insert at the DEIMOS beamline for in situ electrical transport measurements. J Synchrotron Radiat 2016; 23:652-657. [PMID: 27140143 DOI: 10.1107/s1600577516002551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 02/11/2016] [Indexed: 06/05/2023]
Abstract
The design and the first experiments are described of a versatile cryogenic insert used for its electrical transport capabilities. The insert is designed for the cryomagnet installed on the DEIMOS beamline at the SOLEIL synchrotron dedicated to magnetic characterizations through X-ray absorption spectroscopy (XAS) measurements. This development was spurred by the multifunctional properties of novel materials such as multiferroics, in which, for example, the magnetic and electrical orders are intertwined and may be probed using XAS. The insert thus enables XAS to in situ probe this interplay. The implementation of redundant wiring and careful shielding also enables studies on operating electronic devices. Measurements on magnetic tunnel junctions illustrate the potential of the equipment toward XAS studies of in operando electronic devices.
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Affiliation(s)
- L Joly
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - B Muller
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - E Sternitzky
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - J G Faullumel
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - A Boulard
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - E Otero
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - F Choueikani
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - J P Kappler
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - M Studniarek
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - M Bowen
- Institut de Physique et de Chimie des Materiaux de Strasbourg, Université de Strasbourg, UMR 7504, 23 Rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - P Ohresser
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
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Smoczyński M, Jagielski M, Studniarek M, Pieńkowska J, Adrych K. Cholelithiasis and complicated chronic pancreatitis mimicking malignancy. Pol Arch Intern Med 2016; 126:193-5. [DOI: 10.20452/pamw.3294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Pieńkowska J, Gwoździewicz K, Skrobisz-Balandowska K, Marek I, Kostro J, Szurowska E, Studniarek M. Perfusion-CT--Can We Predict Acute Pancreatitis Outcome within the First 24 Hours from the Onset of Symptoms? PLoS One 2016; 11:e0146965. [PMID: 26784348 PMCID: PMC4718557 DOI: 10.1371/journal.pone.0146965] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Accepted: 12/23/2015] [Indexed: 12/27/2022] Open
Abstract
PURPOSE Severe acute pancreatitis (AP) is still a significant clinical problem which is associated with a highly mortality. The aim of this study was the evaluation of prognostic value of CT regional perfusion measurement performed on the first day of onset of symptoms of AP, in assessing the risk of developing severe form of acute pancreatitis. MATERIAL AND METHODS 79 patients with clinical symptoms and biochemical criteria indicative of acute pancreatitis (acute upper abdominal pain, elevated levels of serum amylase and lipase) underwent perfusion CT within 24 hours after onset of symptoms. The follow-up examinations were performed after 4-6 days to detect progression of the disease. Perfusion parameters were compared in 41 people who developed severe form of AP (pancreatic and/or peripancreatic tissue necrosis) with parameters in 38 consecutive patients in whom course of AP was mild. Blood flow, blood volume, mean transit time and permeability surface area product were calculated in the three anatomic pancreatic subdivisions (head, body and tail). At the same time the patient's clinical status was assessed by APACHE II score and laboratory parameters such as CRP, serum lipase and amylase, AST, ALT, GGT, ALP and bilirubin were compared. RESULTS Statistical differences in the perfusion parameters between the group of patients with mild and severe AP were shown. Blood flow, blood volume and mean transit time were significantly lower and permeability surface area product was significantly higher in patients who develop severe acute pancreatitis and presence of pancreatic and/or peripancreatic necrosis due to pancreatic ischemia. There were no statistically significant differences between the two groups in terms of evaluated on admission severity of pancreatitis assessed using APACHE II score and laboratory tests. CONCLUSIONS CT perfusion is a very useful indicator for prediction and selection patients in early stages of acute pancreatitis who are at risk of developing pancreatic and/or peripancreatic necrosis already on the first day of the onset of symptoms and can be used for treatment planning and monitoring of therapy of acute pancreatitis. Early suspicion of possible pancreatic necrosis both on the basis of scores based on clinical status and laboratory tests have low predictive value.
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Affiliation(s)
- Joanna Pieńkowska
- II Department of Radiology–Faculty of Health Sciences, Medical University of Gdansk, Gdansk, Poland
| | - Katarzyna Gwoździewicz
- I Department of Radiology–Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
- * E-mail:
| | | | - Iwona Marek
- Department of Gastroenterology and Hepatology, Medical University of Gdansk, Gdansk, Poland
| | - Justyna Kostro
- Department of General Endocrine and Transplant Surgery, Medical University of Gdansk, Gdansk, Poland
| | - Edyta Szurowska
- II Department of Radiology–Faculty of Health Sciences, Medical University of Gdansk, Gdansk, Poland
| | - Michał Studniarek
- I Department of Radiology–Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
- Department of Diagnostic Imaging, Medical University of Warsaw, Warsaw, Poland
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Galaska R, Kulawiak-Galaska D, Wegrzyn A, Wasag B, Chmara M, Borowiec J, Studniarek M, Fijalkowski M, Rynkiewicz A, Gruchala M. Assessment of Subclinical Atherosclerosis Using Computed Tomography Calcium Scores in Patients with Familial and Nonfamilial Hypercholesterolemia. J Atheroscler Thromb 2015; 23:588-95. [PMID: 26666465 DOI: 10.5551/jat.31161] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM The aim of this study was to compare coronary calcium scores and aortic calcium scores between patients with severe hypercholesterolemia having a DNA-based diagnosis of FH (FH group) versus patients with severe hypercholesterolemia without the FH gene mutation (NFH group). METHOD A total of 89 FH and 50 NFH patients underwent CT with coronary and thoracic aorta calcium scoring. Their CCS and TCS in ascending aorta (TCSasc) and descending aorta (TCSdesc) were determined and compared between the two patient groups. RESULTS TCSasc was significantly higher in the FH group when compared to the NFH group (30.6± 59 vs 4.7±13.4, p<0.001. After adjusting for age, sex, smoking, blood pressure, history of diabetes mellitus and LDL cholesterol levels, FH gene mutation was an independent risk factor of having non-zero TCSasc 3.6 (95% CI, 1.4-9.5, p<0.01), high TCSasc 9.6 (95% CI, 2.4-38.2, p<0.01) and high CCS of 4.1 (95% CI, 1.2-13.2. p<0.05). CONCLUSION We found that when computed tomography calcium scores were used as an assessment, patients with familial hypercholesterolemia displayed an increased burden of ascending aorta atherosclerosis when compared to patients with nonfamilial severe hypercholesterolemia. This phenomenon appears to be more dependent on the presence of FH genotype than hypercholesterolemia itself.
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Affiliation(s)
- Rafal Galaska
- 1st Department of Cardiology, Medical University of Gdansk
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Gruber M, Ibrahim F, Boukari S, Joly L, Da Costa V, Studniarek M, Peter M, Isshiki H, Jabbar H, Davesne V, Arabski J, Otero E, Choueikani F, Chen K, Ohresser P, Wulfhekel W, Scheurer F, Beaurepaire E, Alouani M, Weber W, Bowen M. Spin-Dependent Hybridization between Molecule and Metal at Room Temperature through Interlayer Exchange Coupling. Nano Lett 2015; 15:7921-7926. [PMID: 26575946 DOI: 10.1021/acs.nanolett.5b02961] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We experimentally and theoretically show that the magnetic coupling at room temperature between paramagnetic Mn within manganese phthalocyanine molecules and a Co layer persists when separated by a Cu spacer. The molecule's magnetization amplitude and direction can be tuned by varying the Cu-spacer thickness and evolves according to an interlayer exchange coupling mechanism. Ab initio calculations predict a highly spin-polarized density of states at the Fermi level of this metal-molecule interface, thereby strengthening prospective spintronics applications.
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Affiliation(s)
- Manuel Gruber
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
- Physikalisches Institut, Karlsruhe Institute of Technology , Wolfgang-Gaede-Strasse 1, 76131 Karlsruhe, Germany
| | - Fatima Ibrahim
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Samy Boukari
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Loïc Joly
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Victor Da Costa
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Michał Studniarek
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
- Synchrotron SOLEIL , L'Orme des Merisiers Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Moritz Peter
- Physikalisches Institut, Karlsruhe Institute of Technology , Wolfgang-Gaede-Strasse 1, 76131 Karlsruhe, Germany
| | - Hironari Isshiki
- Physikalisches Institut, Karlsruhe Institute of Technology , Wolfgang-Gaede-Strasse 1, 76131 Karlsruhe, Germany
| | - Hashim Jabbar
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Vincent Davesne
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
- Physikalisches Institut, Karlsruhe Institute of Technology , Wolfgang-Gaede-Strasse 1, 76131 Karlsruhe, Germany
| | - Jacek Arabski
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Edwige Otero
- Synchrotron SOLEIL , L'Orme des Merisiers Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Fadi Choueikani
- Synchrotron SOLEIL , L'Orme des Merisiers Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Kai Chen
- Synchrotron SOLEIL , L'Orme des Merisiers Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Philippe Ohresser
- Synchrotron SOLEIL , L'Orme des Merisiers Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Wulf Wulfhekel
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
- Institute of Nanotechnology, Karlsruhe Institute of Technology , 76021 Karlsruhe, Germany
| | - Fabrice Scheurer
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Eric Beaurepaire
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Mebarek Alouani
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Wolfgang Weber
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
| | - Martin Bowen
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504 , 23 rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France
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Babinska A, Studniarek M, Świątkowska-Stodulska R, Sworczak K. Sunitinib treatment for multifocal renal cell carcinoma (RCC) and pancreatic neuroendocrine tumor (NET) in patient with Von Hippel-Lindau disease. Case Report. Neuro Endocrinol Lett 2015; 36:517-520. [PMID: 26812297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Accepted: 08/10/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVE Von Hippel-Lindau disease (VHL) is an autosomal, dominant, hereditary disease occurring in approximately one in 36,000 births. VHL disease produces a variety of tumors and cysts in the central nervous system and visceral organs. Surgical management, when possible, improves prognosis and extends patient's life. When surgery is impossible, treatment with tyrosine kinase inhibitors demonstrates encouraging response rates. MATERIAL AND METHOD We present a 60-year old patient with coexistence of multifocal renal cell carcinomas (RCC) and pancreatic neuroendocrine tumor (NET) in VHL disease, who received Sunitinib as the best option of treatment. RESULTS Progression - free survival time is over 4 years. Regarding her acceptable tolerance for tyrosine kinase inhibitors, medical treatment is continued. CONCLUSION RCC and pancreatic NET associated with VHL are responsive to Sunitinib for prolonged periods of time. Tyrosine kinase inhibitors treatment for patients with multiple neoplasms associated with VHL disease may too be considered. Sunitinib showed acceptable toxicity.
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Affiliation(s)
- Anna Babinska
- Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Poland
| | | | | | - Krzysztof Sworczak
- Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Poland
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Gruber M, Ibrahim F, Boukari S, Isshiki H, Joly L, Peter M, Studniarek M, Da Costa V, Jabbar H, Davesne V, Halisdemir U, Chen J, Arabski J, Otero E, Choueikani F, Chen K, Ohresser P, Wulfhekel W, Scheurer F, Weber W, Alouani M, Beaurepaire E, Bowen M. Exchange bias and room-temperature magnetic order in molecular layers. Nat Mater 2015; 14:981-984. [PMID: 26191660 DOI: 10.1038/nmat4361] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 06/22/2015] [Indexed: 06/04/2023]
Abstract
Molecular semiconductors may exhibit antiferromagnetic correlations well below room temperature. Although inorganic antiferromagnetic layers may exchange bias single-molecule magnets, the reciprocal effect of an antiferromagnetic molecular layer magnetically pinning an inorganic ferromagnetic layer through exchange bias has so far not been observed. We report on the magnetic interplay, extending beyond the interface, between a cobalt ferromagnetic layer and a paramagnetic organic manganese phthalocyanine (MnPc) layer. These ferromagnetic/organic interfaces are called spinterfaces because spin polarization arises on them. The robust magnetism of the Co/MnPc spinterface stabilizes antiferromagnetic ordering at room temperature within subsequent MnPc monolayers away from the interface. The inferred magnetic coupling strength is much larger than that found in similar bulk, thin or ultrathin systems. In addition, at lower temperature, the antiferromagnetic MnPc layer induces an exchange bias on the Co film, which is magnetically pinned. These findings create new routes towards designing organic spintronic devices.
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Affiliation(s)
- Manuel Gruber
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Strasse 1 76131 Karlsruhe, Germany
| | - Fatima Ibrahim
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Samy Boukari
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Hironari Isshiki
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Strasse 1 76131 Karlsruhe, Germany
| | - Loïc Joly
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Moritz Peter
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Strasse 1 76131 Karlsruhe, Germany
| | - Michał Studniarek
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin - BP 48, 91192 Gif-sur-Yvette, France
| | - Victor Da Costa
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Hashim Jabbar
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Vincent Davesne
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Strasse 1 76131 Karlsruhe, Germany
| | - Ufuk Halisdemir
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Jinjie Chen
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Strasse 1 76131 Karlsruhe, Germany
| | - Jacek Arabski
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Edwige Otero
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin - BP 48, 91192 Gif-sur-Yvette, France
| | - Fadi Choueikani
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin - BP 48, 91192 Gif-sur-Yvette, France
| | - Kai Chen
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin - BP 48, 91192 Gif-sur-Yvette, France
| | - Philippe Ohresser
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin - BP 48, 91192 Gif-sur-Yvette, France
| | - Wulf Wulfhekel
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Strasse 1 76131 Karlsruhe, Germany
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
| | - Fabrice Scheurer
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Wolfgang Weber
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Mebarek Alouani
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Eric Beaurepaire
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
| | - Martin Bowen
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS UMR 7504, 23 rue du Loess, BP 43 F-67034 Strasbourg Cedex 2, France
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Abstract
Pathological lesions within the scrotum are relatively rare in imaging except for ultrasonography. The diseases presented in the paper are usually found in men at the age of 15-45, i.e. men of reproductive age, and therefore they are worth attention. Scrotal ultrasound in infertile individuals should be conducted on a routine basis owing to the fact that pathological scrotal lesions are frequently detected in this population. Malignant testicular cancers are the most common neoplasms in men at the age of 20-40. Ultrasound imaging is the method of choice characterized by the sensitivity of nearly 100% in the differentiation between intratesticular and extratesticular lesions. In the case of doubtful lesions that are not classified for intra-operative verification, nuclear magnetic resonance is applied. Computed tomography, however, is performed to monitor the progression of a neoplastic disease, in pelvic trauma with scrotal injury as well as in rare cases of scrotal hernias involving the ureters or a fragment of the urinary bladder.
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Affiliation(s)
- Michał Studniarek
- Department of Medical Imaging, Medical University of Warsaw, Warsaw, Poland
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
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Abstract
Background Paraganglioma develops from cells of the parasympathetic and sympathetic system. It usually manifests as a slow-growing and painless mass. Peragangliomas may be hereditary, benign or malignant, unilateral or bilateral tumors. They are well vascularized. In most cases, paraganglioma is located around the common carotid artery, but may also be located within the middle ear or in the abdomen. Case Report A 49-year-old patient with bilateral paragangliomas around branches of carotid arteries. Diagnostic imaging was performed, including MRI and CT angiography. To reduce the size of the tumors, the patient was subjected to radiotherapy, with no result. Finally, the tumor on the right side was removed. A 67-year-old patient with the third recurrence of retroperitoneal paraganglioma. Diagnostic imaging was performed. Vascular embolisation was not performed as the vessels were too narrow for microcatheter introduction. Conclusions Paragangliomas are rare tumors. Total resection is sometmies impossible because of the rich vascularity and difficult location. Radiotherapy is a good alternative, though not always effective. Proper diagnostic imaging is necessary.
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Affiliation(s)
- Paulina Pałasz
- Department of Stomatology, Medical University of Gdańsk, Gdańsk, Poland
| | - Łukasz Adamski
- Department of Stomatology, Medical University of Gdańsk, Gdańsk, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
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42
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Kuziemski K, Pieńkowska J, Słomiński W, Jassem E, Studniarek M. Pulmonary capillary permeability and pulmonary microangiopathy in diabetes mellitus. Diabetes Res Clin Pract 2015; 108:e56-9. [PMID: 25836946 DOI: 10.1016/j.diabres.2015.02.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 02/08/2015] [Accepted: 02/22/2015] [Indexed: 01/24/2023]
Abstract
Significant increase in permeability surface (PS) in patients with diabetes confirms pulmonary microcirculation damage in these patients.
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Affiliation(s)
- Krzysztof Kuziemski
- Department of Allergology and Pneumonology, Medical University of Gdansk, ul. Debinki 7, 80-211 Gdansk, Poland.
| | - Joanna Pieńkowska
- Department of Radiology, Medical University of Gdansk, ul. Debinki 7, 80-211 Gdansk, Poland
| | | | - Ewa Jassem
- Department of Allergology and Pneumonology, Medical University of Gdansk, ul. Debinki 7, 80-211 Gdansk, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdansk, ul. Debinki 7, 80-211 Gdansk, Poland
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Davesne V, Gruber M, Studniarek M, Doh WH, Zafeiratos S, Joly L, Sirotti F, Silly MG, Gaspar AB, Real JA, Schmerber G, Bowen M, Weber W, Boukari S, Da Costa V, Arabski J, Wulfhekel W, Beaurepaire E. Hysteresis and change of transition temperature in thin films of Fe{[Me2Pyrz]3BH}2, a new sublimable spin-crossover molecule. J Chem Phys 2015; 142:194702. [DOI: 10.1063/1.4921309] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- V. Davesne
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131 Karlsruhe, Germany
| | - M. Gruber
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131 Karlsruhe, Germany
| | - M. Studniarek
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
- Synchrotron SOLEIL, L’Orme des Merisiers, Saint-Aubin, BP48, 91192 Gif-sur-Yvette, France
| | - W. H. Doh
- Institut de Chimie et Procédés pour l’Energie, l’Environnement et la Santé, UMR 7515 CNRS, Université de Strasbourg, 25 rue Becquerel, 67087 Cedex 2 Strasbourg, France
| | - S. Zafeiratos
- Institut de Chimie et Procédés pour l’Energie, l’Environnement et la Santé, UMR 7515 CNRS, Université de Strasbourg, 25 rue Becquerel, 67087 Cedex 2 Strasbourg, France
| | - L. Joly
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - F. Sirotti
- Synchrotron SOLEIL, L’Orme des Merisiers, Saint-Aubin, BP48, 91192 Gif-sur-Yvette, France
| | - M. G. Silly
- Synchrotron SOLEIL, L’Orme des Merisiers, Saint-Aubin, BP48, 91192 Gif-sur-Yvette, France
| | - A. B. Gaspar
- Institut de Ciència Molecular (ICMol), Universitat de València, C/Catedrático José Beltrán Martínez 2, 46980 Paterna (València), Spain
| | - J. A. Real
- Institut de Ciència Molecular (ICMol), Universitat de València, C/Catedrático José Beltrán Martínez 2, 46980 Paterna (València), Spain
| | - G. Schmerber
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - M. Bowen
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - W. Weber
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - S. Boukari
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - V. Da Costa
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - J. Arabski
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
| | - W. Wulfhekel
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131 Karlsruhe, Germany
| | - E. Beaurepaire
- Institut de Physique et de Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Cedex 2 Strasbourg, France
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Hać S, Pieńkowska J, Madejewska I, Łaski D, Kostro J, Mroczkowski P, Studniarek M, Śledziński Z. Pancreatic remnant fate. Folia Morphol (Warsz) 2015; 74:56-60. [PMID: 25792396 DOI: 10.5603/fm.2015.0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 07/12/2014] [Accepted: 07/13/2014] [Indexed: 11/25/2022]
Abstract
There is eternal discussion on the best surgical method of pancreatoduodenectomy and reconstruction method. Several different methods of pancreatic stump anastomosis exist. The most popular argument taken into account in the discussion is the frequency of early postoperative complications. Relatively fewer papers analyse the late functional outcome of pancreatic surgery and the method of anastomosis employed. Authors presented short series of 12 patients after pancreatic surgery with analysis of pancreatic remnant morphology and function. Pancreatic remnant volume, pancreatic duct distension and stool elastase-1 test were analysed. There was no correlation of pancreatic exo- or endocrine insufficiency with the volume of pancreatic remnant or the kind of surgery or anastomosis performed.
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Affiliation(s)
- S Hać
- Department of General Endocrine and Transplant Surgery, Medical University of Gdansk, Poland.
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Rzyman W, Dziedzic R, Jelitto-Górska M, Biadacz I, Książek J, Siebert J, Zdrojewski T, Studniarek M. Results of an open-access lung cancer screening program with low-dose computed tomography: the Gdańsk experience. ACTA ACUST UNITED AC 2015; 125:232-9. [PMID: 25764248 DOI: 10.20452/pamw.2778] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Lung cancer screening with low-dose computed tomography (LDCT) is one of the most promising tools for reducing mortality from lung cancer. OBJECTIVES The aim of the study was to evaluate the results of an open-access lung cancer screening program with LDCT. PATIENTS AND METHODS In total, 8649 asymptomatic volunteers between 50 and 75 years of age with a smoking history of at least 20 pack-years underwent LDCT screening. The presence of lung nodules with a diameter of less than 5 mm required a follow-up control visit after 12 months, and with a diameter of 5 to 10 mm--after 3, 6, and 12 months. Patients with a nodule of more than 10 mm in diameter required further diagnostic workup. RESULTS Lung nodules were detected in 4694 individuals (54%). Lung cancer was diagnosed in 107 patients (1.24%). Of 8649 participants, 300 (3.5%) were referred for further diagnostic workup, and 125 (1.5%) underwent surgical resection (81 because of malignant lesions; 44, benign lesions). Eighty-one participants (75%) underwent surgery with a curative intent, and 26 participants underwent oncological treatment. There were no perioperative deaths. The majority of surgical patients underwent lobectomy (video-assisted, in 30 patients; and open, in 38 patients). Stage I non-small cell lung cancer was detected in 64 of the surgical patients (79%). CONCLUSIONS The detection rate of lung cancer in the screening program with low-dose computed tomography is relatively low but patients were diagnosed at a very early stage of the disease compared with standard clinical practice.
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Jagielski M, Smoczyński M, Studniarek M, Śledziński Z, Adrych K. Complex interventional treatment of extensive consequences of necrotizing pancreatitis--case report. Pol Przegl Chir 2015; 87:39-42. [PMID: 25803068 DOI: 10.1515/pjs-2015-0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Indexed: 11/15/2022]
Abstract
The paper presents description of the effective treatment of patients with extensive consequences of necrotizing pancreatitis. The strategy of treatment was to extend access to necrotic areas ("step-up approach"). Applied endoscopic transmural access (transgastric), percutaneous access (transperitoneal) and surgical access. The cooperation endoscopist, surgeon and interventional radiologist gave very beneficial clinical effects in patients with extensive complications of acute pancreatitis.
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Szlęzak P, Srutek E, Gorycki T, Kowalewski J, Studniarek M. Core-needle biopsy under CT fluoroscopy guidance and fine-needle aspiration cytology: Comparison of diagnostic yield in the diagnosis of lung and mediastinum tumors. Analysis of frequency and types of complications. Pol J Radiol 2014; 79:175-80. [PMID: 25006355 PMCID: PMC4085119 DOI: 10.12659/pjr.889948] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Accepted: 12/10/2013] [Indexed: 12/18/2022] Open
Abstract
Background Patients with pathological tissue mass in thoracic cage found with imaging require histopathological or cytological confirmation of malignancy before treatment. The tissue material essential for patomorphological evaluation can be acquired with fine-needle aspiration biopsies (FNAB) controlled with CT and core-needle biopsy (CNB) under real-time CT fluoroscopy guidance. The purpose of this work is to carry out a retrospective analysis of the two methods with regards to their informativity, frequency and the kind of complications. Material/Methods From January, 2012 to May 2013, 76 core-needle biopsies of lung and mediastinum tumors were conducted and compared with 86 fine-needle aspiration biopsies(FNAB) of lung and mediastinum tumors, including 30 patients who underwent FNAB and were referred to CNB in order to specify the diagnosis. Results Complete histopathological diagnosis was made in 91% with the use of CNB and in 37% when FNAB was the chosen method. Early complications were observed in 32% patients who underwent BG and in group of 11% who underwent FNAB. Late complications, however, appeared in 29% patients after CNB and 13% after FNAB. In 24 cases CNB specified the complete diagnosis. Conclusions Core-needle biopsy in comparison to fine-needle aspiration biopsy has more frequent rate of negligible complications, however, it offers higher diagnostic yield for diagnostic of lung and mediastinum neoplastic disease and allows for more precise diagnosis of focal lesions.
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Affiliation(s)
- Przemysław Szlęzak
- Department of Diagnostic Imaging and Interventional Radiology, Franciszek Łukaszczyk Oncology Center, Bydgoszcz, Poland
| | - Ewa Srutek
- Department of Tumor Pathology and Pathomorphology, Franciszek Łukaszczyk Oncology Center, Bydgoszcz, Poland
| | - Tomasz Gorycki
- Department of Diagnostic Imaging and Interventional Radiology, Franciszek Łukaszczyk Oncology Center, Bydgoszcz, Poland ; Department of Radiology of Medical University of Gdańsk, Gdańsk, Poland
| | - Janusz Kowalewski
- Department of Thoracic Surgery and Tumors, Franciszek Łukaszczyk Oncology Centre, Bydgoszcz, Poland
| | - Michał Studniarek
- Department of Diagnostic Imaging and Interventional Radiology, Franciszek Łukaszczyk Oncology Center, Bydgoszcz, Poland ; Department of Radiology of Medical University of Gdańsk, Gdańsk, Poland
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48
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Gorycki T, Kamiński K, Studniarek M, Szlęzak P, Szumska A. Distribution of the radiation dose in multislice computer tomography of the chest - phantom study. Pol J Radiol 2014; 79:75-8. [PMID: 24744819 PMCID: PMC3990109 DOI: 10.12659/pjr.889951] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2013] [Accepted: 12/12/2013] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The most commonly used form of reporting doses in multislice computed tomography involves a CT dose index per slice and dose-length product for the whole series. The purpose of this study was to analyze the actual dose distribution in routine chest CT examination protocols using an antropomorphic phantom. MATERIAL/METHODS We included in the analysis readings from a phantom filled with thermoluminescent detectors (Art Phantom Canberra) during routine chest CT examinations (64 MDCT TK LIGHT SPEED GE Medical System) performed using three protocols: low-dose, helical and angio-CT. RESULTS Mean dose values (mSv) reported from anterior parts of the phantom sections in low-dose/helical/angio-CT protocols were as follows: 3.74; 16.95; 30.17; from central parts: 3.18; 14.15; 26.71; from posterior parts: 3.01; 12.47; 24.98 respectively. Correlation coefficients for mean doses registered in anterior parts of the phantom between low-dose/helical, low-dose/angio-CT and helical/angio-CT protocols were 0.49; 0.63; 0.36; from central parts: 0.73; 0.66; 0.83, while in posterior parts values were as follows: 0.06; 0.21; 0.57. CONCLUSIONS The greatest doses were recorded in anterior parts of all phantom sections in all protocols in reference to largest doses absorbed in the anterior part of the chest during CT examination. The doses were decreasing from anterior to posterior parts of all sections. In the long axis of the phantom, in all protocols, lower doses were measured in the upper part of the phantom and at the very lowest part.
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Affiliation(s)
- Tomasz Gorycki
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland ; Department of Imaging Diagnostics and Interventional Radiology, Franciszek Łukaszczyk Oncology Center in Bydgoszcz, Bydgoszcz, Poland
| | - Kamil Kamiński
- Department of Imaging Diagnostics and Interventional Radiology, Franciszek Łukaszczyk Oncology Center in Bydgoszcz, Bydgoszcz, Poland
| | - Michał Studniarek
- Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland ; Department of Imaging Diagnostics and Interventional Radiology, Franciszek Łukaszczyk Oncology Center in Bydgoszcz, Bydgoszcz, Poland
| | - Przemysław Szlęzak
- Department of Imaging Diagnostics and Interventional Radiology, Franciszek Łukaszczyk Oncology Center in Bydgoszcz, Bydgoszcz, Poland
| | - Agnieszka Szumska
- Individual and Environmental Dosimetry Laboratory, Henryk Niewodniczański Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, Poland
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Gorycki T, Lasek I, Kamiński K, Studniarek M. Evaluation of radiation doses delivered in different chest CT protocols. Pol J Radiol 2014; 79:1-5. [PMID: 24454417 PMCID: PMC3894921 DOI: 10.12659/pjr.889952] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2013] [Accepted: 12/10/2013] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND There are differences in the reference diagnostic levels for the computed tomography (CT) of the chest as cited in different literature sources. The doses are expressed either in weighted CT dose index (CTDIVOL) used to express the dose per slice, dose-length product (DLP), and effective dose (E). The purpose of this study was to assess the radiation dose used in Low Dose Computer Tomography (LDCT) of the chest in comparison with routine chest CT examinations as well as to compare doses delivered in low dose chest CT with chest X-ray doses. MATERIAL/METHODS CTDIVOL and DLP doses were taken to analysis from routine CT chest examinations (64 MDCT TK LIGHT SPEED GE Medical System) performed in 202 adult patients with FBP reconstruction: 51 low dose, 106 helical, 20 angio CT, and 25 high resolution CT protocols, as well as 19 helical protocols with iterative ASIR reconstruction. The analysis of chest X-ray doses was made on the basis of reports from 44 examinations. RESULTS Mean values of CTDIVOL and DLP were, respectively: 2.1 mGy and 85.1 mGy·cm, for low dose, 9.7 mGy and 392.3 mGy·cm for helical, 18.2 mGy and 813.9 mGy·cm for angio CT, 2.3 mGy and 64.4 mGy·cm for high resolution CT, 8.9 mGy. and 317.6 mGy·cm for helical ASIR protocols. Significantly lower CTDIVOL and DLP values were observed for low dose and high resolution CT versus the remaining CT protocols; doses delivered in CT ASIR protocols were also lower (80-81%). The ratio between medial doses in low dose CT and chest X-ray was 11.56. CONCLUSIONS Radiation dose in extended chest LDCT with parameters allowing for identification of mediastinal structures and adrenal glands is still much lower than that in standard CT protocols. Effective doses predicted for LDCT may exceed those used in chest X-ray examinations by a factor of 4 to 12, depending on LDCT scan parameters. Our results, as well as results from other authors, suggest a possibility of reducing the dose by means of iterative reconstruction. Efforts towards further dose reduction which would permit replacing chest X-ray with low dose CT in certain research screening projects should be encouraged.
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Affiliation(s)
- Tomasz Gorycki
- 1 Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Iwona Lasek
- 1 Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Kamil Kamiński
- Prof. F. Łukaszczyk Oncology Centre in Bydgoszcz, Bydgoszcz, Poland
| | - Michał Studniarek
- 1 Department of Radiology, Medical University of Gdańsk, Gdańsk, Poland
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50
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Smoczyński M, Marek I, Dubowik M, Rompa G, Kobiela J, Studniarek M, Pieńkowska J, Adrych K. Endoscopic drainage/debridement of walled-off pancreatic necrosis--single center experience of 112 cases. Pancreatology 2013; 14:137-42. [PMID: 24650969 DOI: 10.1016/j.pan.2013.11.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 10/08/2013] [Accepted: 11/15/2013] [Indexed: 12/11/2022]
Abstract
BACKGROUND Endoscopic drainage of the pancreatic pseudocysts has been accepted as a valid alternative to surgical and percutaneous drainage. Endoscopic treatment of the symptomatic walled-off necrosis was not, however, univocally accepted by all authors. THE AIM The aim of this study was to assessed the effectiveness and safety of the endoscopic drainage of walled-off necrosis. METHODS AND MATERIAL Between 2001 and 2011 one hundred and twelve patients with symptomatic walled-off necrosis were treated in the Department of Gastroenterology and Hepatology of the Medical University of Gdansk, using endoscopic drainage. The drainage system was set up by introducing endoprostheses and drains through gastric and duodenal fistulas, transpapillary, and additionally--in cases when the necrosis was spreading outside of the lesser sac--percutaneously. The results and complications of the endoscopic treatment were assessed retrospectively. RESULTS Initial success was achieved in 104/112 (92.9%) patients. Long term success was achieved in 94/112 (83.9%) patients in intention to treat analysis and 94/102 (90.4%) patients in per protocol analysis. Recurrence of pancreatic fluid collection was observed in 19/97(19.6%) patients. Procedure-related complications were observed in 29/112 patients (25.9%). Most of them were treated conservatively. Procedure-related mortality was 1.8%. CONCLUSIONS In a large group of selected patients with symptomatic walled-off necrosis, endoscopic drainage enables high success rate with acceptable complication rate and low procedure-related mortality.
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Affiliation(s)
- M Smoczyński
- Department of Gastroenterology and Hepatology of Medical University of Gdańsk, Gdańsk, Poland.
| | - I Marek
- Department of Gastroenterology and Hepatology of Medical University of Gdańsk, Gdańsk, Poland
| | - M Dubowik
- Department of Gastroenterology and Hepatology of Medical University of Gdańsk, Gdańsk, Poland
| | - G Rompa
- Department of Gastroenterology and Hepatology of Medical University of Gdańsk, Gdańsk, Poland
| | - J Kobiela
- Department of General, Endocrine and Transplant Surgery of Medical University of Gdańsk, Poland
| | - M Studniarek
- Department of Radiology of Medical University of Gdańsk, Poland
| | - J Pieńkowska
- Department of Radiology of Medical University of Gdańsk, Poland
| | - K Adrych
- Department of Gastroenterology and Hepatology of Medical University of Gdańsk, Gdańsk, Poland
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