PMID: 8587672Jul 1, 1995Paper

Pilocytic astrocytoma presenting as an extra-axial tumor in the cerebellopontine angle: case report

Neurosurgery
A S BeutlerJ F Alksne

Abstract

Glial tumors in the cerebellopontine angle (CPA) are rare. Four histologically distinct types of glial tumors of the CPA have been described in the literature as ependymoma, medulloblastoma, mixed glial tumor, and fibrillary astrocytoma. This case report describes a pilocytic astrocytoma of the CPA. A 58-year-old man with a hearing loss had an extra-axial tumor in the left CPA that extended into the internal auditory canal. The characteristics of the tumor on magnetic resonance imaging scans differed from those of typical CPA tumors. It adhered avidly to the cochlear and vestibular nerves, which had to be sacrificed for gross total resection. Microscopic examination showed the typical features of an adult-type pilocytic astrocytoma.

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Citations

Sep 26, 2006·Pathology Oncology Research : POR·Ajay MalikChitra Sarkar
Aug 12, 2008·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·G MironeB George
Jan 22, 2011·Journal of Neurosurgery·Bo WuJinping Liu
Nov 13, 2004·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Kelly K Koeller, Elisabeth J Rushing
Dec 21, 2007·Brain Tumor Pathology·Katsushi TaomotoYoichi Nakazato
Feb 8, 2008·International Journal of Pediatric Otorhinolaryngology·Pavan S MallurAnil K Lalwani
Apr 11, 2015·AJNR. American Journal of Neuroradiology·M C MabrayS Cha
Nov 8, 2014·Journal of Neurosurgery·Jonathan D BreshearsMitchel S Berger
Dec 27, 2017·British Journal of Neurosurgery·Gautam DuttaAshutosh Chaturvedi
Apr 10, 2009·Acta neurochirurgica·Petr Vachata, Martin Sames
Apr 18, 2012·Annals of the Royal College of Surgeons of England·J R A SkipworthM Powell
Oct 13, 2009·Journal of Neuro-oncology·Formica FrancescoScerrati Massimo

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