Abstract
Cerebrospinal fluid (CSF) otorrhea of labyrinthine origin presents through a congenital defect in the stapes footplate and is associated with repeated attacks of meningitis or as a profuse CSF flow (stapes gusher) during routine stapedectomy. These CSF leaks are thought to be due to an abnormal communication between the subarachnoid and perilymphatic spaces, either through the cochlear aqueduct or the internal auditory canal. A computerized tomographic diagnosis of X-linked congenital deafness associated with fixation of the footplate and perilymph gushers include enlarged internal auditory canal, hypoplasia of the cochlear base, absent bony modiolus, abnormal vestibular aqueduct, and enlarged labyrinthine facial nerve canal. Because there have been few reports of a successful stapedectomy with a significant gain in hearing performed in ears in which a stapes gusher is encountered, attention should be given more to the control of the catastrophic flow of perilymph rather than to the completion of the operative procedure.
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