Calvarial tuberculosis: A rare complication of tuberculous mastoiditis

A contrast enhanced axial computed tomography (CT) scan demonstrating a right occipital scalp abscess (white arrow) with right sigmoid sinus thrombosis and an extradural collection (black arrow).

A coronal computed tomography (CT) scan demonstrating osteitis and destruction of the right occipital bone (white arrow) due to calvarial tuberculosis.

An axial CT scan demonstrating destruction of the right occipital bone due to calvarial tuberculosis.

Histology slide of tuberculous osteitis demonstrating a prominent granuloma in association with bone (H&E staining).;

Tuberculous osteitis demonstrating a granuloma (H&E staining).;