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      • Record: found
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      Interhemispheric arachnoid cyst

      case-report

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          Abstract

          Background:

          Interhemispheric arachnoid cysts are uncommon and typically associated with other midline neurodevelopmental disorders, such as complete or partial agenesis of the corpus callosum.

          Case Description:

          We report a case of a 27-year-old woman with worsening headache, memory deficit, and radiological progression of an interhemispheric arachnoid cyst. The treatment consisted of craniotomy for interhemispheric cyst fenestration into both the interhemispheric cistern and lateral ventricle. The postoperative course was unremarkable, with considerable clinical improvement and significant reduction in cyst size.

          Conclusion:

          We successfully treat a patient with an enlarging arachnoid cyst and associated progressive symptoms with microsurgical fenestration.

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          Most cited references16

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          Prevalence and natural history of arachnoid cysts in adults.

          Wajd N Al-Holou, Samuel W Terman, Craig Kilburg … (2013)
          Arachnoid cysts are a frequent finding on intracranial imaging. The prevalence and natural history of these cysts in adults are not well defined.
          Article 0 comments Cited 57 times – based on 0 reviews     Review now
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            Endoscopy versus microsurgical cyst excision and shunting for treating intracranial arachnoid cysts.

            Valentina Cioffi, Giuseppe Colella, Vincenzo Seneca … (2011)
            Endoscopic surgery is routinely used to treat intracranial arachnoid cysts. However, the indications and results with respect to the different cyst locations, compared with those of microsurgical fenestration and cyst shunting, deserve to be discussed. The authors review 18 patients with intracranial arachnoid cysts treated by pure endoscopic technique in their neurosurgical department. There were 10 male and 8 female patients ranging in age from 2 months to 48 years (median age 19.4 years). The cyst location was suprasellar in 5 cases, quadrigeminal in 5, cortical hemispheric in 2, sylvian region in 3, and posterior fossa in 3. The authors also reviewed the literature, comprising 61 reports for an overall number of 645 patients with intracranial arachnoid cysts treated by different surgical techniques. These techniques included microsurgical excision or fenestration by craniotomy, cyst shunting, and endoscopic fenestration. The surgical results of the different techniques according to the different cyst locations underwent statistical analysis. The overall success rate (complete or partial clinical remission) in the authors' endoscopic series was 83.3% (15 of 18 cases), which is rather similar to that of 222 patients treated endoscopically and reported on in the literature (84.2%). In the overall endoscopic group, a higher success rate was found for cysts in the suprasellar (89.7%), quadrigeminal (88.5%), and posterior cranial fossa (83.3%) regions compared with sylvian (70%) and cortical and interhemispheric (75%) regions. The statistical comparison of the results of the endoscopic series with those of craniotomy and shunting revealed no significant differences for suprasellar, quadrigeminal, or posterior cranial fossa cysts, whereas the success rate of endoscopy is lower than that of other techniques for sylvian and cortical cysts. Endoscopy is a safe and effective therapeutic modality for patients with intracranial arachnoid cysts. Cysts of the suprasellar and quadrigeminal regions and posterior fossa are the best indications for neuroendoscopy; on the other hand, cortical cysts are best treated by microsurgical fenestration or shunting. For sylvian cysts, the endoscopic procedure may be advocated in most cases.
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              Location, sidedness, and sex distribution of intracranial arachnoid cysts in a population-based sample.

              Knut Wester, Å Helland, Morten Johansen (2010)
              The aim of this study was to examine the distribution of intracranial arachnoid cysts in a large and unselected patient population with special emphasis on sidedness and sex distribution. In total, 299 patients with 305 arachnoid cysts were studied. These patients were consecutively referred to our department during a 20-year period from a well-defined geographical area with a stable population. There was a strong predilection (198 patients [66.2%]) for intracranial arachnoid cysts in the temporal fossa. Forty-two patients had cysts overlying the frontal convexity, 36 had cysts in the posterior fossa, and 23 patients had cysts in other, different locations. Of 269 cysts with clearly unilateral distribution, 163 were located on the left side and 106 on the right side. This difference resulted from the marked preponderance of temporal fossa cysts on the left side (left-to-right ratio 2.5:1; p < 0.0001 [adjusted < 0.0005]). For cysts in the cerebellopontine angle (CPA), there was preponderance on the right side (p = 0.001 [adjusted = 0.005]). Significantly more males than females had cysts in the temporal fossa (p = 0.002 [adjusted = 0.004]), whereas in the CPA a significant female preponderance was found (p = 0.016 [adjusted = 0.032]). For all other cyst locations, there was no difference between the 2 sexes. Arachnoid cysts have a strong predilection for the temporal fossa. There is a sex dependency for some intracranial locations of arachnoid cysts, with temporal cysts occurring more frequently in men, and CPA cysts found more frequently in women. Furthermore, there is a strong location-related sidedness for arachnoid cysts, independent of patient sex. These findings and reports from the literature suggest a possible genetic component in the development of some arachnoid cysts.
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                Author and article information

                Contributors
                Abdulrahman Albakr
                Nicholas Sader
                Sanju Lama
                Garnette R Sutherland
                Journal
                Journal ID (nlm-ta): Surg Neurol Int
                Journal ID (iso-abbrev): Surg Neurol Int
                Title: Surgical Neurology International
                Publisher: Scientific Scholar (USA )
                ISSN (Print): 2229-5097
                ISSN (Electronic): 2152-7806
                Publication date Collection: 2021
                Publication date (Electronic): 30 March 2021
                Volume: 12
                Electronic Location Identifier: 125
                Affiliations
                [1 ]Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Canada,
                [2 ]Department of Surgery, Division of Neurosurgery, College of Medicine, King Saud University, Riyadh, Saudi Arabia,
                [3 ]Department of Clinical Neurosciences, Hotchkiss Brain Institute, Canada.
                [4 ]Department of Clinical Neurosciences, Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, Canada.
                Author notes
                [* ] Corresponding author: Garnette Sutherland, Department of Neurosurgery, University of Calgary, Calgary, Canada. garnette@ 123456ucalgary.ca

                Article
                Publisher ID: 10.25259/SNI_660_2020
                DOI: 10.25259/SNI_660_2020
                PMC ID: 8053473
                SO-VID: b7e09998-a861-4522-8c8c-6a38ef662b65
                Copyright © Copyright: © 2021 Surgical Neurology International
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

                History
                Date received : 19 September 2020
                Date accepted : 24 February 2021
                Categories
                Subject: Image Report

                ScienceOpen disciplines: Surgery
                Keywords: arachnoid cyst,corpus callosum,interhemispheric fissure,microsurgery
                Data availability:
                ScienceOpen disciplines: Surgery
                Keywords: arachnoid cyst, corpus callosum, interhemispheric fissure, microsurgery

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