Massive intracranial arachnoid cyst in a developmentally normal Infant: Case report and literature review

Intracranial arachnoid cysts are developmental anomalies that are generally asymptomatic. We describe a 6-month-old boy with macrocephaly but normal neurological development who was found to have a rare, massive basal arachnoid cyst occupying most of the cranium and extending superiorly, causing sig...

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Bibliographic Details
Published in:Pediatric neurology 1997, Vol.16 (1), p.59-62
Main Authors: Mason, Thornton B.A., Chiriboga, Claudia A., Feldstein, Neil A., Kartha, Krisnan, Khandji, Alexander G.
Format: Article
Language:English
Subjects:
Arachnoid Cysts - congenital
Arachnoid Cysts - diagnosis
Arachnoid Cysts - surgery
Biological and medical sciences
Brain - pathology
Humans
Infant
Magnetic Resonance Imaging
Male
Medical sciences
Neurologic Examination
Neurology
Postoperative Complications - diagnosis
Tomography, X-Ray Computed
Tumors of the nervous system. Phacomatoses
Ventriculoperitoneal Shunt
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Summary:Intracranial arachnoid cysts are developmental anomalies that are generally asymptomatic. We describe a 6-month-old boy with macrocephaly but normal neurological development who was found to have a rare, massive basal arachnoid cyst occupying most of the cranium and extending superiorly, causing significant shift due to mass effect. A cystoperitoneal shunt was placed, producing both a decrease in the arachnoid cyst dimensions and a concomitant reexpansion of parenchyma. After consideration of various management options, such a shunt system appears to offer a low risk of complications and a high likelihood of success.
ISSN:0887-8994
1873-5150
DOI:10.1016/S0887-8994(96)00250-0