cartilage disease +
connective tissue cancer +

adult intracranial malignant hemangiopericytoma
articular cartilage disease +
bone cancer +
discitis
epithelioid sarcoma +
Ewing sarcoma +
fibrosarcoma +
Kaposi's sarcoma
lipofibromatosis-like neural tumor
liposarcoma +
malignant fibrous histiocytoma of bone
malignant giant cell tumor +
mesenchymoma +
myxosarcoma
osteochondrodysplasia +
perivascular tumor +
pleural cancer +
solitary fibrous tumor/hemangiopericytoma
synovium cancer +
Tietze's syndrome