Mondini anomaly (bilateral)

Case contributed by Heba Abdelmonem
Diagnosis certain

Presentation

Precochlear implant.

Patient Data

Age: 3 years
Gender: Male
ct
This study is a stack
Axial bone
window
This study is a stack
Coronal
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Info

Cystic cochlear apex with cystic dilatation of both vestibular aqueducts and narrowed cochlear apertures. The rest of the study is unremarkable.

Case Discussion

Preoperative work-up shows typical Mondini malformation on both sides.

The next step includes MRI of the ear to evaluate both 8th cranial nerves.

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