Extensive cranial vault and skull base osteomyelitis complicating chronic mastoiditis : a case report.

The authors report an unusual case of extensive osteomyelitis of cranial vault and skull base as a complication of chronic mastoiditis in a 19 year old girl. The diagnosis was confirmed by bone biopsy which revealed osteomyelitic changes and large bacterial colonies. The unusual features of this case is discussed along with review of relevant literature.