Case of the Week 75 Case 75 The bluish-white cut surface of this large pelvic mass arising from the right iliac wing and producing a large soft tissue mass is typical for chondrosarcoma, a malignant neoplasm of bone.
Chondrosarcomas occur over a wide age range.
They most often arise in the central portions of the skeleton, such as the pelvic region, shoulder, and ribs. Men are affected twice as often as women. Low-grade chondrosarcomas are treated with wide resection. There were 48 correct entries out of 101 total entries for case 75.