Large frontal osseous hemangioma with dural sinus involvement in a patient with Klippel-Trenaunay syndrome: A rare case report.

Background: We present one of the first documented cases in the literature of an adult with Klippel-Trenaunay syndrome (KTS) with a large frontal osseous hemangioma.

Case Description: A 30-year-old male presented with a rapidly enlarging frontal skull lesion that had developed in only 3 months. Radiological investigation revealed a highly vascular lesion attached to the frontal bone. The lesion was surgically resected with the patient making complete recovery. Histopathology was consistent with an osseous hemangioma.

Conclusion: We report the clinical presentation and surgical management of a rare presentation of osseous hemangioma in a patient with KTS.