Cholesteatoma With Lateral Semicircular Canal Erosion

From Otolaryngology Online

40 years old male patient came with complaints of:

1. Giddiness - 4 days duration

2. H/o ear discharge (scanty and foul smelling) left ear

3. Nystagmus could be seen - when the patient looks towards the left side

MRI scan:

Showed evidence of cholesteatoma of left middle ear with erosion of lateral semicircular canal

Lateral canal erosion.jpg

Management: Patient was immediately admitted.

Antibiotics and labyrinthine sedatives started

Modified radical mastoidectomy left ear performed.

Fistula over lateral canal identified and sealed with temporalis fascia graft.