Hemangioendothelioma of the temporal bone with radiologic findings resembling hemangioma

Hemangioendotheliomas are rare vascular tumors that can affect bone. They a ccount for 0.5% to 1.0% of malignant primary bone tumors. Only four cases h ave been reported involving the temporal bone. A 5-year-old child with grad e II hemangioendothelioma of the right temporal bone is presented, and the radiologic findings on different imaging studies are described. The patient was treated with preoperative endovascular embolization followed by wide s urgical resection. The imaging patterns of this malignant tumor may be simi lar to those of a benign lesion.