Arachnoid cysts are collections of cerebrospinal fluid covered by arachnoidal cells and collagen. They may have a congenital or acquired origin. We present the case of a 7-year-old boy with a cerebellopontine angle arachnoid cyst harbouring a portion of neuroglia. Microscopically, the cyst wall consisted of a delicate fibrovascular membrane lined by a layer of arachnoidal cells. A thin layer of glial tissue ran the whole length of the cyst wall. This finding supports a congenital origin for this case. Cerebellopontine angle arachnoid cysts harbouring neuroglia without ependymal elements are very rare lesions and may be successfully treated by surgical resection.
Department of Neurosurgery
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Received: December 6, 2004
Accepted after revision: March 3, 2005
Number of Print Pages : 4
Number of Figures : 2, Number of Tables : 0, Number of References : 31
Vol. 41, No. 4, Year 2005 (Cover Date: July-August 2005)
Journal Editor: Frim, D.M. (Chicago, Ill.)
ISSN: 1016–2291 (print), 1423–0305 (Online)
For additional information: http://www.karger.com/pne
Article / Publication Details
Published online: 8/10/2005
Number of Print Pages: 4
Number of Figures: 2
Number of Tables: 0
ISSN: 1016-2291 (Print)
eISSN: 1423-0305 (Online)
For additional information: http://www.karger.com/PNE
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