A and B, Plain radiographs of the hip show soft-tissue density of a large intramuscular hemangioma. C to E, T1- and T2-weighted axial and sagittal MR images demonstrate the intramuscular hemangioma of the sartorius muscle. F, Photomicrograph (H&E) shows dilated vascular spaces interspersed with skeletal muscle. G, Intraoperative photograph after resection. Dissection is along anatomic distribution of the sartorius muscle.