Malignant giant cell tumors of the tendon sheath of the right hip: A case report

Figure 2 Computed tomography of the pelvis reveals a soft tissue mass in the intermuscular space anterior to the right iliopsoas muscle and the right upper femur. A: The mass showed soft tissue density with lamellar hypodense necrosis inside; B: Osteolytic bone destruction of the right iliac bone was displayed clearly; C: The mass had poorly defined margins; and D: The massive tumor growed along the tendon.