Anomaly of the facial canal in a Mondini malformation with recurrent meningitis

H CurtinD Bar


A patient with recurrent meningitis and congenital hearing loss was evaluated with tomography and metrizamide cisternography. Tomography showed an aberrant first portion of the facial nerve canal, while on cisternography, communication between the internal auditory canal and the dilated labyrinthine remnant was evident. The authors describe the radiographic findings and their significance and propose a mechanism for the formation of the anomalous facial nerve canal.


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Related Concepts

Complete Hearing Loss
Facial Nerve Structure
Membranous Labyrinth Structure

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