Osteoid osteoma of the frontal bone. Case report.

A case of osteoid osteoma of the frontal bone is presented. It is a benign bone tumour which rarely involves the cranium. Local pain that is worse at night and improves following salicylate administration is characteristic for osteoid osteoma. This report describes cranial osteoid osteoma, a rare pathologic entity for the cranium, with pain only on palpation.