Spontaneous Decompression of a Posterior Fossa Arachnoid Cyst: A Case Report

Publisher: Karger

E-ISSN: 1423-0305|35|3|162-163

ISSN: 1016-2291

Source: Pediatric Neurosurgery, Vol.35, Iss.3, 2001-10, pp. : 162-163

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Abstract

The authors present a case of spontaneous regression of a posterior fossa, supracerebellar arachnoid cyst causing hydrocephalus in a 7-month-old male child. The patient presented with macrocrania, bulging fontanelle and upgaze paresis of the eyes. There was complete improvement of these symptoms on the morning of the day of surgery without any obvious precipitating factors, including trauma. CT scan showed complete resolution of the cyst and hydrocephalus. The child was doing well at 1 year of follow-up. To the best of our knowledge, this is the first case report of spontaneous resolution of a posterior fossa arachnoid cyst.