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Year : 2016  |  Volume : 11  |  Issue : 1  |  Page : 29-34

Pediatric interhemispheric arachnoid cyst: An institutional experience

Department of Neurosurgery, All Institute of Medical Sciences, New Delhi, India

Correspondence Address:
Sumit Sinha
Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1817-1745.181258

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Background: Interhemispheric arachnoid cysts (IHACs) are a rare type of congenital arachnoid cyst accounting for <5% of all cases. The optimum surgical management of symptomatic IHAC is still controversial, and there are no clear guidelines. Materials and Methods: Retrospective analysis of six pediatric patients of IHAC operated from 2012 to 2015 at our institute. There was definitive sex predisposition with all patients being males. Endoscopic cystoventriculostomy, cystocisternostomy, and cystoperitoneal shunt surgeries were performed in three patients each. Results: The median age at presentation was 13 months. The most common clinical presentations were macrocrania with rapidly increasing head size, seizures, infantile spasms, and developmental delay. The mean duration of follow-up was 24.16 months (range: 3–36 months). Cyst size decreased in all the patients on follow-up imaging. Head size stabilized in all the patients. None of the patients required a second surgical procedure till the last follow-up. Conclusions: Both endoscopic cyst fenestration and shunt surgery are safe and effective in management of IHAC.


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