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Mosallami Aghili SM, Maroufi SF, Sabahi M, Esmaeilzadeh M, Dabecco R, Adada B, Borghei-Razavi H. Intraoperative Ultrasonography in Pituitary Surgery Revisited: An Institutional Experience and Systematic Review on Applications and Considerations. World Neurosurg 2023; 176:149-158. [PMID: 37164206 DOI: 10.1016/j.wneu.2023.04.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/28/2023] [Accepted: 04/29/2023] [Indexed: 05/12/2023]
Abstract
OBJECTIVE The primary objective of this systematic review is to evaluate the effectiveness of intraoperative ultrasound (IOUS) in improving outcomes in patients undergoing pituitary surgery. METHODS A systematic review was performed by searching MEDLINE (PubMed), Web of Science, Scopus, and Embase electronic bibliographic databases from conception to 2022. RESULTS The included studies yielded a total of 660 patients, with 488 patients undergoing IOUS. Outcome were available for 341 patients treated with IOUS and 157 patients who were treated without the IOUS application, and the remission rates following surgery were 76% and 59%, respectively. Only 2 studies reported remission rates for both groups, and meta-analysis for these studies showed significant superiority of intraoperative ultrasonography (Random effect, odds ratio 4.99, P < 0.01). Regarding extent of resection, IOUS resulted in 71% gross total resection, while absence of IOUS yielded a gross total resection rate of 44%. Among studies with available follow-up on IOUS, the recurrence rate was 3%. Pituitary dysfunction (34%), cerebrospinal fluid leak (31%), and central nervous system infection (8%) were the most common complications in the IOUS group. The mean follow-up was 19.97 months in studies reporting follow-up time. CONCLUSIONS The application of the IOUS is both safe and effective and could improve the outcome of pituitary surgeries. IOUS can assist surgeons in the identification of pituitary tumors and their surrounding anatomy and can help minimize the risk of complications associated with this complex surgical procedure.
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Affiliation(s)
| | - Seyed Farzad Maroufi
- Neurosurgery Research Network (NRN), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammadmahdi Sabahi
- Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, Florida, USA
| | - Mahla Esmaeilzadeh
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Rocco Dabecco
- Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, Florida, USA
| | - Badih Adada
- Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, Florida, USA
| | - Hamid Borghei-Razavi
- Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, Florida, USA.
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Zachariah MA, Robbins A, Geisler R, Martinez-Perez R, Prevedello DM. Endoscopic Endonasal Resection of Clival Chordoma Assisted by a Novel Minimally Invasive Ultrasound Technology: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2022; 23:e168. [PMID: 35863327 DOI: 10.1227/ons.0000000000000279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 03/06/2022] [Indexed: 02/04/2023] Open
Affiliation(s)
- Marcus A Zachariah
- Department of Neurosurgery and Cancer Center & Research Institute, University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Austin Robbins
- Department of Neurosurgery and Cancer Center & Research Institute, University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Reed Geisler
- Department of Neurosurgery and James Cancer Center, Ohio State University, Columbus, Ohio, USA
| | - Rafael Martinez-Perez
- Department of Neurosurgery and James Cancer Center, Ohio State University, Columbus, Ohio, USA
| | - Daniel M Prevedello
- Department of Neurosurgery and James Cancer Center, Ohio State University, Columbus, Ohio, USA
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Domino JS, Gattozzi DA, Jack M, Carroll M, Harn N, Beahm DD, Chamoun R. Outcomes of intraoperative ultrasound for endoscopic endonasal transsphenoidal pituitary surgery in adenomas with parasellar extension. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2021.101225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Meyer S, Handke D, Mueller A, Biehl K, Kreuz M, Bukur J, Koehl U, Lazaridou MF, Berneburg M, Steven A, Massa C, Seliger B. Distinct Molecular Mechanisms of Altered HLA Class II Expression in Malignant Melanoma. Cancers (Basel) 2021; 13:cancers13153907. [PMID: 34359808 PMCID: PMC8345549 DOI: 10.3390/cancers13153907] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 07/29/2021] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND The human leukocyte antigen (HLA) class II molecules are constitutively expressed in some melanoma, but the underlying molecular mechanisms have not yet been characterized. METHODS The expression of HLA class II antigen processing machinery (APM) components was determined in melanoma samples by qPCR, Western blot, flow cytometry and immunohistochemistry. Immunohistochemical and TCGA datasets were used for correlation of HLA class II expression to tumor grading, T-cell infiltration and patients' survival. RESULTS The heterogeneous HLA class II expression in melanoma samples allowed us to characterize four distinct phenotypes. Phenotype I totally lacks constitutive HLA class II surface expression, which is inducible by interferon-gamma (IFN-γ); phenotype II expresses low basal surface HLA class II that is further upregulated by IFN-γ; phenotype III lacks constitutive and IFN-γ controlled HLA class II expression, but could be induced by epigenetic drugs; and in phenotype IV, lack of HLA class II expression is not recovered by any drug tested. High levels of HLA class II APM component expression were associated with an increased intra-tumoral CD4+ T-cell density and increased patients' survival. CONCLUSIONS The heterogeneous basal expression of HLA class II antigens and/or APM components in melanoma cells is caused by distinct molecular mechanisms and has clinical relevance.
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Affiliation(s)
- Stefanie Meyer
- Department of Dermatology, University Hospital of Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany; (S.M.); (M.B.)
| | - Diana Handke
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Anja Mueller
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Katharina Biehl
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Markus Kreuz
- Fraunhofer Institute for Cell Therapy and Immunology, Perlickstr. 1, 04103 Leipzig, Germany; (M.K.); (U.K.)
| | - Jürgen Bukur
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Ulrike Koehl
- Fraunhofer Institute for Cell Therapy and Immunology, Perlickstr. 1, 04103 Leipzig, Germany; (M.K.); (U.K.)
| | - Maria-Filothei Lazaridou
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Mark Berneburg
- Department of Dermatology, University Hospital of Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany; (S.M.); (M.B.)
| | - André Steven
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Chiara Massa
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle (Saale), Germany; (D.H.); (A.M.); (K.B.); (J.B.); (M.-F.L.); (A.S.); (C.M.)
- Fraunhofer Institute for Cell Therapy and Immunology, Perlickstr. 1, 04103 Leipzig, Germany; (M.K.); (U.K.)
- Correspondence: ; Tel.: +49-(0)-345-557-4054
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Cabrilo I, Delaunay R, Heaysman CL, Ourselin S, Vitiello V, Vercauteren T, Marcus HJ, Dorward NL. A Novel Intraoperative Ultrasound Probe for Transsphenoidal Surgery: First-in-human study. Surg Innov 2021; 29:282-288. [PMID: 34237226 DOI: 10.1177/15533506211031091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background. Ultrasound has been explored as an alternative, less bulky, less time-consuming and less expensive means of intraoperative imaging in pituitary surgery. However, its use has been limited by the size of its probes relative to the transsphenoidal corridor. We developed a novel prototype that is more slender than previously reported forward-viewing probes and, in this report, we assess its feasibility and safety in an initial patient cohort. Method. The probe was integrated into the transsphenoidal approach in patients with pituitary adenoma, following a single-centre prospective proof of concept study design, as defined by the Innovation, Development, Exploration, Assessment and Long-Term Study (IDEAL) guidelines for assessing innovation in surgery (IDEAL stage 1 - Idea phase). Results. The probe was employed in 5 cases, and its ability to be used alongside the standard surgical equipment was demonstrated in each case. No adverse events were encountered. The average surgical time was 20 minutes longer than that of 30 contemporaneous cases operated without intraoperative ultrasound. Conclusion. We demonstrate the safety and feasibility of our novel ultrasound probe during transsphenoidal procedures to the pituitary fossa, and, as a next step, plan to integrate the device into a surgical navigation system (IDEAL Stage 2a - Development phase).
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Affiliation(s)
- Ivan Cabrilo
- Department of Neurosurgery, 98546National Hospital for Neurology and Neurosurgery, London, UK
| | - Rémi Delaunay
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College London, London, UK.,School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Clare L Heaysman
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Sebastien Ourselin
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Valentina Vitiello
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Tom Vercauteren
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Hani J Marcus
- Department of Neurosurgery, 98546National Hospital for Neurology and Neurosurgery, London, UK.,Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College London, London, UK
| | - Neil L Dorward
- Department of Neurosurgery, 98546National Hospital for Neurology and Neurosurgery, London, UK
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Ishikawa M, Ota Y, Naritaka H, Katoh S. Endoscopic ultrasound imaging with high flow mode for endonasal transsphenoidal pituitary surgery. J Clin Neurosci 2021; 89:329-335. [PMID: 34119288 DOI: 10.1016/j.jocn.2021.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/07/2021] [Accepted: 05/08/2021] [Indexed: 11/16/2022]
Abstract
Intraoperative ultrasound during transsphenoidal surgery (TSS) for pituitary tumors has been reported. In reports of endonasal ultrasound (US), Doppler US vessel images were informative and effective in endoscopic TSS. We performed endoscopic US imaging with high flow mode, which is a novel technology, to visualize small vessels during endonasal endoscopic TSS. Six patients (five with pituitary adenomas and one with Rathoke's cleft cyst) underwent endoscopic US-assisted TSS. A small endoscopic US probe (Olympus, BF-UC260FW; diameter, 6.9 mm) was inserted transsphenoidally to the sellar floor and into the sella turcica, and endoscopic US monitoring was performed. By rotating the endoscopic US probe, the internal carotid artery, anterior cerebral artery, middle cerebral artery, various small vessels, optic nerve, and residual tumor were clearly visualized on the endoscopic US images. Real-time animated vessel images around the tumor could be generated when needed during TSS. The tumors were removed without leakage of cerebrospinal fluid in the six patients, and their visual acuity was restored. Endoscopic US with high flow mode can visualize not only main cerebral arteries but also intracranial small vessels on B-mode US images. Pituitary tumors were clearly recognized and removed safely and precisely by monitoring the cerebral artery and its small branches as landmarks.
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Affiliation(s)
- Mami Ishikawa
- Department of Neurosurgery, Edogawa Hospital, Tokyo, Japan.
| | - Yasushi Ota
- Department of Otorhinolaryngology, Toho University Sakura Medical Center, Chiba, Japan
| | - Heiji Naritaka
- Department of Neurosurgery, Edogawa Hospital, Tokyo, Japan
| | - Shojiro Katoh
- Department of Orthpedics, Edogawa Hospital, Tokyo, Japan
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Šteňo A, Buvala J, Babková V, Kiss A, Toma D, Lysak A. Current Limitations of Intraoperative Ultrasound in Brain Tumor Surgery. Front Oncol 2021; 11:659048. [PMID: 33828994 PMCID: PMC8019922 DOI: 10.3389/fonc.2021.659048] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/03/2021] [Indexed: 12/11/2022] Open
Abstract
While benefits of intraoperative ultrasound (IOUS) have been frequently described, data on IOUS limitations are relatively sparse. Suboptimal ultrasound imaging of some pathologies, various types of ultrasound artifacts, challenging patient positioning during some IOUS-guided surgeries, and absence of an optimal IOUS probe depicting the entire sellar region during transsphenoidal pituitary surgery are some of the most important pitfalls. This review aims to summarize prominent limitations of current IOUS systems, and to present possibilities to reduce them by using ultrasound technology suitable for a specific procedure and by proper scanning techniques. In addition, future trends of IOUS imaging optimization are described in this article.
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Affiliation(s)
- Andrej Šteňo
- Department of Neurosurgery, Comenius University, Faculty of Medicine, University Hospital Bratislava, Bratislava, Slovakia
| | - Ján Buvala
- Department of Neurosurgery, Comenius University, Faculty of Medicine, University Hospital Bratislava, Bratislava, Slovakia
| | - Veronika Babková
- Department of Neurosurgery, Comenius University, Faculty of Medicine, University Hospital Bratislava, Bratislava, Slovakia
| | - Adrián Kiss
- Department of Neurosurgery, Comenius University, Faculty of Medicine, University Hospital Bratislava, Bratislava, Slovakia
| | - David Toma
- Department of Neurosurgery, Comenius University, Faculty of Medicine, University Hospital Bratislava, Bratislava, Slovakia
| | - Alexander Lysak
- Department of Neurosurgery, Comenius University, Faculty of Medicine, University Hospital Bratislava, Bratislava, Slovakia
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Micko A, Placzek F, Fonollà R, Winklehner M, Sentosa R, Krause A, Vila G, Höftberger R, Andreana M, Drexler W, Leitgeb RA, Unterhuber A, Wolfsberger S. Diagnosis of Pituitary Adenoma Biopsies by Ultrahigh Resolution Optical Coherence Tomography Using Neuronal Networks. Front Endocrinol (Lausanne) 2021; 12:730100. [PMID: 34733239 PMCID: PMC8560084 DOI: 10.3389/fendo.2021.730100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 09/29/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE Despite advancements of intraoperative visualization, the difficulty to visually distinguish adenoma from adjacent pituitary gland due to textural similarities may lead to incomplete adenoma resection or impairment of pituitary function. The aim of this study was to investigate optical coherence tomography (OCT) imaging in combination with a convolutional neural network (CNN) for objectively identify pituitary adenoma tissue in an ex vivo setting. METHODS A prospective study was conducted to train and test a CNN algorithm to identify pituitary adenoma tissue in OCT images of adenoma and adjacent pituitary gland samples. From each sample, 500 slices of adjacent cross-sectional OCT images were used for CNN classification. RESULTS OCT data acquisition was feasible in 19/20 (95%) patients. The 16.000 OCT slices of 16/19 of cases were employed for creating a trained CNN algorithm (70% for training, 15% for validating the classifier). Thereafter, the classifier was tested on the paired samples of three patients (3.000 slices). The CNN correctly predicted adenoma in the 3 adenoma samples (98%, 100% and 84% respectively), and correctly predicted gland and transition zone in the 3 samples from the adjacent pituitary gland. CONCLUSION Trained convolutional neural network computing has the potential for fast and objective identification of pituitary adenoma tissue in OCT images with high sensitivity ex vivo. However, further investigation with larger number of samples is required.
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Affiliation(s)
- Alexander Micko
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
| | - Fabian Placzek
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Roger Fonollà
- Department of Electrical Engineering, Video Coding and Architectures, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Michael Winklehner
- Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Ryan Sentosa
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Arno Krause
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Greisa Vila
- Division of Endocrinology and Metabolism of the Department of Internal Medicine III, Vienna, Austria
| | - Romana Höftberger
- Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Marco Andreana
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Wolfgang Drexler
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Rainer A. Leitgeb
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
- Christian Doppler Laboratory Innovative Optical Imaging and its Translation for “Innovative Optical Imaging and its Translation into Medicine” (OPTRAMED), Medical University of Vienna, Vienna, Austria
| | - Angelika Unterhuber
- Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Stefan Wolfsberger
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
- *Correspondence: Stefan Wolfsberger,
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Ishikawa M, Masamoto K, Hachiya R, Kagami H, Inaba M, Naritaka H, Katoh S. Neurosurgical intraoperative ultrasonography using contrast enhanced superb microvascular imaging -vessel density and appearance time of the contrast agent. Br J Neurosurg 2020:1-10. [PMID: 32648779 DOI: 10.1080/02688697.2020.1772958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Background: Ultrasonography (US) provides real-time information on structures within the skull during neurosurgical operations. Superb microvascular imaging (SMI) is the latest imaging technique for detecting very low-velocity flow with minimal motion artifacts, and we have reported on this technique for intraoperative US monitoring. We combined SMI with administration of contrast agent to obtain detailed information during neurosurgical operations.Materials and methods: Twenty patients diagnosed with brain tumor (10 meningiomas, 5 glioblastomas, 2 hemangioblastomas, 1 schwannoma, 1 malignant lymphoma, 1 brain abscess) underwent neurosurgery under US with SMI and contrast agent techniques. Vessel density and appearance time following contrast administration were analyzed.Results: Flow in numerous vessels was not visualized by SMI alone, but appeared following injection of contrast agent in all cases. Flow in tumors was drastically enhanced by contrast agent in schwannoma, hemangioblastoma and meningioma, compared to normal brain tissue. Flows in the dilated and bent vessels of glioblastoma were also enhanced, although flow in hypoechoic lymphoma remained inconspicuous. The characteristics of tumor vessels were clearly visualized and tumor borders were demonstrated by the difference between tumor flow and brain flow, by the increased tumor vessel density and decreased appearance time of contrast agent compared to normal brain vessels.Conclusions: The combination of SMI and contrast agent techniques for intraoperative US monitoring could provide innovative flow images of tumor and normal brain. The neurosurgeon obtains information about tumor flow and tumor borderline before tumor resection.
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Affiliation(s)
- Mami Ishikawa
- Department of Neurosurgery, Tachikawa Hospital, Tokyo, Japan.,Department of Neurosurgery, Edogawa Hospital, Tokyo, Japan
| | - Kazuto Masamoto
- Faculty of Informatics and Engineering, University of Electro-Communications, Tokyo, Japan
| | - Ryota Hachiya
- Faculty of Informatics and Engineering, University of Electro-Communications, Tokyo, Japan
| | - Hiroshi Kagami
- Department of Neurosurgery, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan
| | - Makoto Inaba
- Department of Neurosurgery, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan
| | - Heiji Naritaka
- Department of Neurosurgery, Edogawa Hospital, Tokyo, Japan
| | - Shojiro Katoh
- Department of Orthopedics, Edogawa Hospital, Tokyo, Japan
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Alomari A, Jaspers C, Reinbold WD, Feldkamp J, Knappe UJ. Use of intraoperative intracavitary (direct-contact) ultrasound for resection control in transsphenoidal surgery for pituitary tumors: evaluation of a microsurgical series. Acta Neurochir (Wien) 2019; 161:109-117. [PMID: 30483982 DOI: 10.1007/s00701-018-3747-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 11/21/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Perisellar infiltration may be responsible for incomplete removal of pituitary tumors. Since intraoperative visualization of parasellar structures is difficult during transsphenoidal surgery, we are describing the use of intraoperative direct contact ultrasound (IOUS). METHODS Within 5 years, in 113 transsphenoidal operations (58 male, 55 female, age 14-81 years, 110 pituitary adenomas (mean diameter 26.6 mm, 69 non-secreting adenomas, 41 secreting adenomas), and 1 of each Rathke's cleft cyst, craniopharyngioma, and xanthogranuloma), IOUS was applied. After wide opening of the sellar floor and removal of the intrasellar tumor portions, a commercially available side fire ultrasound probe is introduced, and in direct contact to the sellar envelope, the perisellar space is scanned perpendicular to the axis of the working channel. We compared the results of IOUS to postoperative MRI after 3-6 months. RESULTS Identification of the intracavernous ICA, the anterior optic pathway, and the ACA, was possible, it was safe to operate close to them. In 65 operations (58%), further resection of tumor remnants was performed after IOUS. In this selected series, complete resection of tumors (stated by postoperative MRI after 3-6 months) was achieved in 75 operations (66%) and remission was achieved in 18 operations of secreting adenomas (44%). Compared to MRI after 3 to 6 months, the sensitivity of IOUS was 0.568 and the specificity was 0.907. No complications related to IOUS were seen. CONCLUSIONS Visualization of the perisellar compartments by IOUS is easy and fast to perform. It allows the surgeon to identify resectable tumor remnants intraoperatively, which otherwise could be missed.
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Affiliation(s)
- Ali Alomari
- Department of Neurosurgery, Johannes Wesling Klinikum, University Hospital of Ruhr-Universität Bochum, Hans Nolte Str. 1, 32429, Minden, Germany
| | - Christian Jaspers
- Department of Endocrinology, Johannes Wesling Klinikum, University Hospital of Ruhr-Universität Bochum, Hans Nolte Str. 1, 32429, Minden, Germany
| | - Wolf-Dieter Reinbold
- Institute of Radiology and Neuroradiology, Johannes Wesling Klinikum, University Hospital of Ruhr-Universität Bochum, Hans Nolte Str. 1, 32429, Minden, Germany
| | - Joachim Feldkamp
- Department of Endocrinology, Klinikum Bielefeld, Bielefeld, Germany
| | - Ulrich J Knappe
- Department of Neurosurgery, Johannes Wesling Klinikum, University Hospital of Ruhr-Universität Bochum, Hans Nolte Str. 1, 32429, Minden, Germany.
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11
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Marcus HJ, Vercauteren T, Ourselin S, Dorward NL. Intraoperative Ultrasound in Patients Undergoing Transsphenoidal Surgery for Pituitary Adenoma: Systematic Review [corrected]. World Neurosurg 2017; 106:680-685. [PMID: 28736351 DOI: 10.1016/j.wneu.2017.07.054] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 07/07/2017] [Accepted: 07/11/2017] [Indexed: 11/30/2022]
Abstract
BACKGROUND Transsphenoidal surgery is the gold standard for pituitary adenoma resection. However, despite advances in microsurgical and endoscopic techniques, some pituitary adenomas can be challenging to cure. OBJECTIVE We sought to determine whether, in patients undergoing transsphenoidal surgery for pituitary adenoma, intraoperative ultrasound is a safe and effective technologic adjunct. METHODS The PubMed database was searched between January 1996 and January 2016 to identify relevant publications that 1) featured patients undergoing transsphenoidal surgery for pituitary adenoma, 2) used intraoperative ultrasound, and 3) reported on safety or effectiveness. Reference lists were also checked, and expert opinions were sought to identify further publications. RESULTS Ultimately, 10 studies were included, comprising 1 cohort study, 7 case series, and 2 case reports. One study reported their prototype probe malfunctioned, leading to false-positive results in 2 cases, and another study' prototype probe was too large to safely enter the sphenoid sinus in 2 cases. Otherwise, no safety issues directly related to use of intraoperative ultrasound were reported. In the only comparative study, remission occurred in 89.7% (61/68) of patients with Cushing disease in whom intraoperative ultrasound was used, compared with 83.8% (57/68) in whom it was not. All studies reported that surgeons anecdotally found intraoperative ultrasound helpful. CONCLUSIONS Although there is limited and low-quality evidence available, the use of intraoperative ultrasound appears to be a safe and effective technologic adjunct to transsphenoidal surgery for pituitary adenoma. Advances in ultrasound technology may allow for more widespread use of such devices.
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Affiliation(s)
- Hani J Marcus
- Department of Neurosurgery, The National Hospital for Neurology and Neurosurgery, London, UK; Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, London, UK.
| | - Tom Vercauteren
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Sebastien Ourselin
- Translational Imaging Group, CMIC, Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Neil L Dorward
- Department of Neurosurgery, The National Hospital for Neurology and Neurosurgery, London, UK
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12
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Ishikawa M, Ota Y, Nagai M, Kusaka G, Tanaka Y, Naritaka H. Ultrasonography Monitoring with Superb Microvascular Imaging Technique in Brain Tumor Surgery. World Neurosurg 2017; 97:749.e11-749.e20. [DOI: 10.1016/j.wneu.2016.10.111] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Revised: 10/21/2016] [Accepted: 10/22/2016] [Indexed: 01/16/2023]
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Sastry R, Bi WL, Pieper S, Frisken S, Kapur T, Wells W, Golby AJ. Applications of Ultrasound in the Resection of Brain Tumors. J Neuroimaging 2016; 27:5-15. [PMID: 27541694 DOI: 10.1111/jon.12382] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/04/2016] [Accepted: 07/05/2016] [Indexed: 12/23/2022] Open
Abstract
Neurosurgery makes use of preoperative imaging to visualize pathology, inform surgical planning, and evaluate the safety of selected approaches. The utility of preoperative imaging for neuronavigation, however, is diminished by the well-characterized phenomenon of brain shift, in which the brain deforms intraoperatively as a result of craniotomy, swelling, gravity, tumor resection, cerebrospinal fluid (CSF) drainage, and many other factors. As such, there is a need for updated intraoperative information that accurately reflects intraoperative conditions. Since 1982, intraoperative ultrasound has allowed neurosurgeons to craft and update operative plans without ionizing radiation exposure or major workflow interruption. Continued evolution of ultrasound technology since its introduction has resulted in superior imaging quality, smaller probes, and more seamless integration with neuronavigation systems. Furthermore, the introduction of related imaging modalities, such as 3-dimensional ultrasound, contrast-enhanced ultrasound, high-frequency ultrasound, and ultrasound elastography, has dramatically expanded the options available to the neurosurgeon intraoperatively. In the context of these advances, we review the current state, potential, and challenges of intraoperative ultrasound for brain tumor resection. We begin by evaluating these ultrasound technologies and their relative advantages and disadvantages. We then review three specific applications of these ultrasound technologies to brain tumor resection: (1) intraoperative navigation, (2) assessment of extent of resection, and (3) brain shift monitoring and compensation. We conclude by identifying opportunities for future directions in the development of ultrasound technologies.
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Affiliation(s)
- Rahul Sastry
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Wenya Linda Bi
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | | | - Sarah Frisken
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Tina Kapur
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - William Wells
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Alexandra J Golby
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.,Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
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