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Japanese

Facial Paralysis due to Epidermoid Cyst in the Fourth Ventricle Yoshiro Yazawa 1 , Hiroshi Tanaka 1 , Jyoji Handa 2 1Department of Otolaryngology, Shiga University of Medical Science 2Department of Neurosurgery, Shiga University of Medical Science pp.1005-1009
Published Date 1993/12/20
DOI https://doi.org/10.11477/mf.1411900842
  • Abstract
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A 25-year-old female presented with moderate right facial paralysis of 7 months' duration. Her facial paralysis seemed to be the nuclear type with normal stapedial reflex and normal gustatory function. Meanwhile, she complained of dizziness during walking. CT scanning revealed a large tumor in the fourth ventricle. Surgical resection of the tumor revealed an epidermoid cyst which probably compressed the facial colliculus in the floor of the fourth ventricle, resulting in mode-rate facial paralysis. Neurological findings after surgery included complete paralysis of the right abducens and right facial nerve together with impairment of both the paramedian pontine re-ticular formation (PPRF) and the medial longi-tudinal fasciclus (MLF).


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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