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Ann Indian Acad Neurol. 2013 Apr;16(2):286-8. doi: 10.4103/0972-2327.112501.

Intracranial neurenteric cyst: A rare cause of chemical meningitis.

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Department of Radiodiagnosis, Sheri Kashmir Institute of Medical Sciences, Srinagar, India.


Intracranial neurenteric cysts are exceedingly rare congenital intracranial lesions that result from disorder of gastrulation. Still, more rarely, the cyst contents may leak into the CSF and give rise to recurrent episodes of chemical meningitis. We present a case of chemical meningitis due to a leaking posterior fossa neurenteric cyst in a young female, with emphasis on its imaging features. The final diagnosis was achieved by sufficiently characteristic imaging features; histopathologic documentation could not be achieved as the patient denied surgery.


Epidermoid; meningitis; neurenteric

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