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Stamatiou R, Vasilaki A, Tzini D, Deskata K, Zacharouli K, Ioannou M, Sgantzos M, Zakynthinos E, Makris D. Colistin Effects on Emphysematous Lung in an LPS-Sepsis Model. Antibiotics (Basel) 2023; 12:1731. [PMID: 38136765 PMCID: PMC10740909 DOI: 10.3390/antibiotics12121731] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/03/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Emphysema is prevalent in various respiratory diseases like Chronic Obstructive Pulmonary Disease (COPD) and cystic fibrosis. Colistin and vasoconstrictive drugs are crucial for treating these patients when diagnosed with sepsis in the ICU. This study examines colistin impact in ether-induced emphysematous septic and non-septic animals, focusing on lung pathophysiology and inflammatory responses, including IL-1β, TNF-α, AMPK, caspase-3, cyclin-D1, and colistin levels in lung tissue. All animals exhibited significant emphysematous changes, accentuated by LPS-induced septic conditions, validating the emphysema model and highlighting the exacerbating effect of sepsis on lung pathology. Colistin, alone or with vasoconstrictive drugs, stimulated immune responses through increased inflammatory cell infiltration and the presence of lymphocytes, indicating potential immunomodulatory effects. Vasoconstriction did not alter the effects of colistin or sepsis but correlated with increased colistin levels in the lungs of septic animals. These observations suggest a potential interplay between vasoconstrictive drugs and colistin distribution/metabolism, leading to enhanced local concentrations of colistin in the lung microenvironment. The findings suggest the need for further investigations to optimize colistin and vasoconstrictive drug delivery in critically ill patients with lung pathologies. Understanding these complexities may guide more effective management of inflammatory responses and lung pathologies in these critical conditions.
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Affiliation(s)
- Rodopi Stamatiou
- Physiology Laboratory, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece
| | - Anna Vasilaki
- Pharmacology Laboratory, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece; (A.V.)
| | - Dimitra Tzini
- Pharmacology Laboratory, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece; (A.V.)
| | - Konstantina Deskata
- Intensive Care Unit, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece (E.Z.); (D.M.)
| | - Konstantina Zacharouli
- Pathology Department, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece (M.I.)
| | - Maria Ioannou
- Pathology Department, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece (M.I.)
| | - Markos Sgantzos
- Anatomy Department, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece;
| | - Epaminondas Zakynthinos
- Intensive Care Unit, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece (E.Z.); (D.M.)
| | - Demosthenes Makris
- Intensive Care Unit, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece (E.Z.); (D.M.)
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Vageli DP, Doukas PG, Batrakouli O, Tsangari V, Zacharouli K, Pouliou E, Tzika S, Ioannou M. Head and neck follicular lymphoma with marginal zone differentiation and BCL2 translocation t(14;18) in both nodular and extranodular sites: a case report with mini-review. Oral Surg Oral Med Oral Pathol Oral Radiol 2023; 136:e139-e148. [PMID: 37516620 DOI: 10.1016/j.oooo.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/26/2023] [Accepted: 05/10/2023] [Indexed: 07/31/2023]
Abstract
OBJECTIVE Head and neck follicular lymphoma (FL) with marginal zone (MZ) differentiation is a rare high-risk B-cell composite variant that has been reported in nodular but not extranodular sites in the parotid glands. Here we summarize the literature on FL with MZ differentiation in head and neck nodular sites and describe a rare case of extranodular FL with MZ differentiation in the parotid gland. STUDY DESIGN We examined both the germinal center and MZ components of the parotid and bone-marrow biopsies of a 65-year-old female histologically, immunohistochemically, and molecularly to identify B-cell, germinal center, and follicular dendritic cell markers. RESULTS The immunohistochemical and molecular analysis provided evidence that the FL and the MZ components derived from the same B-cell clone with a similar BCL2/IGH t(14;18) translocation site. The differentiated cells in the MZ did not express germinal center markers BCL6 and CD10. Both the parotid and bone-marrow proliferative B cells showed BCL6, CD2O, and CD79a positivity. CONCLUSIONS Head and neck FL with MZ differentiation can develop in both nodular and extranodular sites and is characterized by BCL2 translocation t(14;18). Although the mechanism of MZ differentiation is unclear, the characterization of this rare histopathologic phenomenon might be clinically important.
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Affiliation(s)
- Dimitra P Vageli
- Department of Pathology, School of Medicine, University of Thessaly, Larissa, Greece; Yale Larynx Laboratory, Department of Surgery (Otolaryngology), Yale School of Medicine, USA.
| | - Panagiotis G Doukas
- Yale Larynx Laboratory, Department of Surgery (Otolaryngology), Yale School of Medicine, USA.
| | - Olga Batrakouli
- Department of Pathology, School of Medicine, University of Thessaly, Larissa, Greece
| | - Vaya Tsangari
- Department of Pathology, School of Medicine, University of Thessaly, Larissa, Greece
| | | | - Evi Pouliou
- Department of Haematopathology, Evangelismos Athens General Hospital, Athens, Greece
| | - Stella Tzika
- Department of Pathology, School of Medicine, University of Thessaly, Larissa, Greece
| | - Maria Ioannou
- Department of Pathology, School of Medicine, University of Thessaly, Larissa, Greece
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Stamatiou R, Vasilaki A, Tzini D, Tsolaki V, Zacharouli K, Ioannou M, Fotakopoulos G, Sgantzos M, Makris D. Critical-Illness: Combined Effects of Colistin and Vasoactive Drugs: A Pilot Study. Antibiotics (Basel) 2023; 12:1057. [PMID: 37370376 DOI: 10.3390/antibiotics12061057] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 05/08/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Colistin is often used as a last resort for treating multidrug-resistant infections, particularly in critically ill patients in intensive care units. Nonetheless, its side effects, including myopathy, require careful monitoring. Vasoconstrictive drugs are also used in intensive care to increase blood pressure and improve blood flow to vital organs, which can be compromised in critically ill patients. The exact mechanism of colistin-induced muscle toxicity is of significant interest due to its potential intensive-care clinical implications. Colistin alone or in combination with vasoconstrictive agents was administrated in non-septic and LPS-induced septic animals for 10 days. Histopathological evaluation of the gastrocnemius muscle and dot-blot protein tissue analysis were performed. Increased intramuscular area, de-organization of the muscle fibers and signs of myopathy were observed in colistin-treated animals. This effect was ameliorated in the presence of vasoconstrictive drugs. Administration of colistin to septic animals resulted in a decrease of AMPK and cyclin-D1 levels, while it had no effect on caspase 3 levels. Vasoconstrictive drugs' administration reversed the effects of colistin on AMPK and cyclin D1 levels. Colistin's effects on muscle depend on septic state and vasoconstriction presence, highlighting the need to consider these factors when administering it in critically ill patients.
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Affiliation(s)
- Rodopi Stamatiou
- Physiology Laboratory, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Anna Vasilaki
- Laboratory of Pharmacology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41221 Larissa, Greece
| | - Dimitra Tzini
- Laboratory of Pharmacology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41221 Larissa, Greece
| | - Vasiliki Tsolaki
- Intensive Care Unit, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Konstantina Zacharouli
- Pathology Department, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Maria Ioannou
- Pathology Department, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - George Fotakopoulos
- Department of Neurosurgery, University Hospital of Larissa, 41500 Larisa, Greece
| | - Markos Sgantzos
- Anatomy Department, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Demosthenes Makris
- Intensive Care Unit, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
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Tzelepis K, Zacharouli K, Samara AA, Koutras A, Kontomanolis EN, Perivoliotis K, Pavlidou E, Sotiriou S. Large Cyst of Skene Gland: A Rare Perineum Mass. Surg J (N Y) 2023; 9:e71-e74. [PMID: 37192958 PMCID: PMC10183249 DOI: 10.1055/s-0043-1768944] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/12/2023] [Indexed: 05/18/2023] Open
Abstract
Objective In this report we present a rare case of a large cyst of Skene gland in a female patient with a palpable vaginal mass persisting for at least 2 years. Case Report A 67-year-old female admitted to the department of urology due to the presence of "a vaginal mass" for the past 2 years. A cyst of Skene's duct was suspected based on clinical manifestation and findings of magnetic resonance imaging showing an extensive cyst formation in the upper vaginal area and anterior to the urethra. Based on these findings, a decision for surgical removement of the cyst was made. The cyst was incised, drained, and marsupialized. The postoperative recovery was uneventful, and the patient was discharged on the second postoperative day. Conclusion High clinical suspicion is important to reach this rare diagnosis. Partial excision and marsupialization of the cyst is a simple procedure with low morbidity, without recurrence, and excellent results.
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Affiliation(s)
| | - Konstantina Zacharouli
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Athina A. Samara
- Laboratory of Histology and Embryology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
- Address for correspondence Athina A. Samara, MD, MSc Department of Embryology, University of ThessalyMezourlo Hill, 41100, LarissaGreece
| | - Antonios Koutras
- Department of Obstetrics and Gynecology, Alexandra Hospital, Kapodistrian University of Athens, Athens, Greece
| | - Emmanuel N. Kontomanolis
- Department of Obstetrics and Gynecology, Faculty of Medicine, School of Health Sciences, Democritus University of Thrace, Alexandroupolis, Greece
| | | | - Efterpi Pavlidou
- Department of Speech and Language Therapy, University of Ioannina, Ioannina, Greece
| | - Sotirios Sotiriou
- Laboratory of Histology and Embryology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
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Zacharouli K, Vageli DP, Koukoulis GK, Ioannou M. Patient with prostatic adenocarcinoma with plasmacytoid features and an aberrant immunohistochemical phenotype diagnosed by biopsy and a mini-review of plasmacytoid features in the genitourinary system: A case report. Mol Clin Oncol 2022; 16:67. [PMID: 35154707 DOI: 10.3892/mco.2022.2500] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/31/2021] [Indexed: 11/05/2022] Open
Abstract
Prostate cancer is one of the most commonly diagnosed malignancies in men. Most of these tumors are adenocarcinomas. Plasmacytoid is a rare variant of adenocarcinoma described by previous studies in the genitourinary system and is characterized by the plasmacytoid appearance of tumor cells with abundant cytoplasm and abnormally placed hyperchromatic nuclei. However, to the best of our knowledge, plasmacytoid adenocarcinoma has rarely been described in the prostate. This report describes a new case of plasmacytoid adenocarcinoma of the prostate diagnosed by biopsy and summarizes the known literature on plasmacytoid features in the genitourinary system. A 62-year-old male patient presented to the hospital with urinary retention, hematuria, weakness and weight loss. The digital rectal examination revealed an irregular enlargement. Laboratory findings showed elevated levels of prostate specific antigen (PSA; 43.6 ng/ml). Transrectal ultrasound showed invasion of the right seminal vesicle. Prostate tumor core biopsies were collected and sent for diagnosis. Histological examination revealed a high-grade prostatic adenocarcinoma Gleason score of 5+5 (total score 10). The tumor cells had a plasmacytoid appearance with abundant cytoplasm and abnormally placed hyperchromatic nuclei. The immunohistochemical phenotype was characterized by abundant positivity for cytokeratin (CK)AE1/AE3 and PSA. By contrast, tumor cells were negative for p63, CK 34BE12 and GATA binding protein 3 (urothelial markers), synaptophysin (neuroendocrine marker). Tumor cells were also negative for E-cadherin, which is particularly indicative of CDH1 alterations. To the best of our knowledge, this is the first description of a plasmacytoid adenocarcinoma of the prostate diagnosed by biopsy, showing an irregular immunophenotype that may indicate somatic CDH1 alterations. The presentation of a novel rare variant of prostatic carcinoma that differs from other neoplasms of the genitourinary system may contribute to an improved understanding of this uncommonly found histological pattern that may also be mandatory due to the clinical and prognostic implications of this diagnosis.
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Affiliation(s)
- Konstantina Zacharouli
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Dimitra P Vageli
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - George K Koukoulis
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Maria Ioannou
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece
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Dragamestianos C, Messini C, Antonakis P, Zacharouli K, Kostopoulou E, Makrigiannakis A, Georgoulias P, Anifandis G, Dafopoulos K, Garas A, Daponte A, Messinis I. The Effect of Metformin on the Endometrium of Women with Polycystic Ovary Syndrome. Gynecol Obstet Invest 2018; 84:35-44. [DOI: 10.1159/000491086] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 06/18/2018] [Indexed: 11/19/2022]
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Gravas S, Samarinas M, Zacharouli K, Karatzas A, Tzortzis V, Koukoulis G, Melekos M. The effect of hexanic extract of Serenoa repens on prostatic inflammation: results from a randomized biopsy study. World J Urol 2018; 37:539-544. [DOI: 10.1007/s00345-018-2409-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 07/13/2018] [Indexed: 01/28/2023] Open
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Kostopoulou E, Samara M, Kollia P, Zacharouli K, Mademtzis I, Daponte A, Messinis IE, Koukoulis G. Different patterns of p16 immunoreactivity in cervical biopsies: correlation to lesion grade and HPV detection, with a review of the literature. EUR J GYNAECOL ONCOL 2011; 32:54-61. [PMID: 21446326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
p16 is one extensively studied marker in gynecological pathology. However, its routine application in the diagnosis of squamous intraepithelial lesions of the uterine cervix may present difficulties for the general pathologist. The aim of the present study was to examine a series of 100 cervical biopsies/LEEP specimens, with detailed HPV-typing, for patterns of p16 immunoreactivity and possible correlations with morphology and HPV types. Four patterns of immunopositivity were recognized, according to the distribution of positively stained cells, and these correlated to lesion grade. A review of the pertinent literature concerning p16 immunoreactivity in squamous intraepithelial lesions and nonneoplastic epithelia of the uterine cervix is included in an effort to summarize the existing data and the remaining questions at both the practical and theoretical level.
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Affiliation(s)
- E Kostopoulou
- Department of Pathology, School of Medicine, University of Thessalia, Larissa, Greece.
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