Bilateral Mondini malformations

Case contributed by A.Prof Frank Gaillard
Modality: CT

CT through the temporal bones demonstrates a number of abnormalities of the labyrinth. The cochlea demonstrates only 1.5 turns. The basal turn is intact, however the more apical turns are absent replaced by a single cystic cavity. The vestibule is enlarged with normal semicircular canals and the vestibular aqueduct is enlarged.

Case Discussion

These features are characteristic of the Mondini malformation.

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Case Information

rID: 5591
Case created: 13th Feb 2009
Last edited: 10th Dec 2015
System: Head & Neck
Inclusion in quiz mode: Included

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