Epithelial Cyst in the Cerebellopontine Angle —Case Report

A 63-year-old male presented with a rare epithelial cyst in the left cerebellopontine angle manifesting as left facial nerve paresis and left cerebellar signs. Computed tomography revealed a well-defined cystic mass of homogeneous low density with no enhancement. Magnetic resonance imaging also demo...

Full description

Saved in:
Bibliographic Details
Published inNeurologia medico-chirurgica Vol. 36; no. 4; pp. 251 - 254
Main Authors NAKAGAWA, Yoshio, SUZUKI, Kenzo, TATEBE, Atsushi, ANDACHI, Hiromu
Format Journal Article
LanguageEnglish
Published Tokyo The Japan Neurosurgical Society 1996
Japan Science and Technology Agency
Subjects
Carcinoembryonic antigen
Case reports
cerebellopontine angle
Cerebellum
Computed tomography
Cranial nerves
Cysts
enterogenous cyst
Epithelial cells
epithelial cyst
Facial nerve
Magnetic resonance imaging
Paresis
Online AccessGet full text

Cover

More Information
Summary:A 63-year-old male presented with a rare epithelial cyst in the left cerebellopontine angle manifesting as left facial nerve paresis and left cerebellar signs. Computed tomography revealed a well-defined cystic mass of homogeneous low density with no enhancement. Magnetic resonance imaging also demonstrated a cystic mass appearing as low intensity on T1-weighted images and high intensity on T2-weighted images. The cyst content was clear fluid. The cyst wall consisted of nonciliated, columnar epithelial cells, showing a pseudostratified arrangement in focal areas. Positive staining by periodic acid-Schiff, Alcian blue, and carcinoembryonic antigen suggested that the cyst was an enterogenous cyst of endodermal origin. Cysts in this location often cause cranial nerve impairment, but the symptoms are usually resolved by surgical treatment.
ISSN:0470-8105
1349-8029
DOI:10.2176/nmc.36.251