A case of osteoma with cholesteatoma of the external auditory canal and cerebellar abscess

CT scan showing bony mass in the lateral part of the right ear canal (black arrow) and a soft tissue mass (white arrow).

CT scan showing cerebellar abscess on the right side.

Intraoperative photograph showing bony swelling in the lateral part of the bony ear canal (arrow) arising from the posteroinferior wall.

Photomicrograph of osteoma showing fibro vascular channel (arrow) and mature dense lamellar bone (H&E: 10×).;

Photomicrograph of cholesteatoma showing stratified squamous epithelium and overlaying lamellar sheets (arrow) of keratin (H&E: 10×).;

Postoperative CT scan did not show any recurrence of the cerebellar abscess.