[Frontal osteosarcoma: a case report]. / Ostéosarcome frontal: à propos d'un cas.

Osteosarcoma is a malignant neoplasm of bone usually affecting long bones. Skull involvement is rare. Primary cranial involvement accounts for less than 3% of all skull neoplasms. We report the imaging findings of a case of osteosarcoma of the frontal bone.