Neurological Surgery No Shinkei Geka Volume 34, Issue 9 (September 2006)

Cerebrospinal Fluid Leak Due to Inner Ear Malformations Takeshi MIKAMI 1 , Yoshihiro MINAMIDA 1 , Tetsuo HIMI 2 , Kiyohiro HOUKIN 1 1Departments of Neurosurgery,Sapporo Medical University 2Departments of Otolaryngology,Sapporo Medical University Keyword: CSF leakage , inner ear , malformation pp.933-937
Published Date 2006/9/1
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 A case of inner ear anomalies associated with recurrent meningitis found in a 66-year-old female is reported.

 The patient had had 2 episodes of meningitis in the previous one year period. Multidetector-row CT of the temporal bone and three-demensional fast imaging employing steady-state acquisition MRI revealed dysplasia of the bony labyrinth and enlarged fundus of the internal auditory canal (IAC). During surgical treatment,we confirmed the cerebrospinal fluid (CSF) leakage through a bony defect in the stapedial footplate. The inner ear was obliterated and contained small pieces of temporal fascia.

 A meningitis or CSF leakage due to innar ear malformation is extreamly rear condition for neurosurgeon. Though we always have to take it into condideration as a cause of CSF leakage.

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Neurological Surgery 脳神経外科
34巻9号 (2006年9月)
電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院