- 期刊
Spontaneous Cerebrospinal Fluid Otorrhea from Tegmen Tympani Defect Caused by an Arachnoid Cyst-A Case Report
因蛛網膜囊腫造成中耳鼓室頂缺損所導致的自發性腦脊髓液耳漏－病例報告
並列摘要
Adult-onset cerebrospirial fluid (CSF) otorrhea is usually associated with a herniation of brain tissue, or meninges as a consequence of surgery or temporal bone trauma. Spontaneous CSF leakage is a rare condition. Spontaneous CSF leakage from the tegmen tympani caused by an arachnoid cyst has not been reported in the literature. We present a unique case in which an infra-temporal arachnoid cyst eroded the tegmen tympani that caused conductive hearing loss, CSF otorrhea, and repeated meningitis. Surgical management involved marsupilization of cyst and sealing the dura fistula while preserving ossicles through a middle cranial fossa approach.
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