title: Fibrosarcomatous dedifferentiation of primary and secondary chondrosarcoma. Review of five cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000473:pathology; D001842:Bone and Bones / Q000473:pathology*; D002813:Chondrosarcoma / Q000473:pathology; D005260:Female; D005266:Femoral Neoplasms / Q000473:pathology; D005269:Femur / Q000473:pathology; D005354:Fibrosarcoma / Q000473:pathology; D006801:Humans; D006811:Humerus / Q000473:pathology; D007085:Ilium / Q000473:pathology; D007512:Ischium / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010009:Osteochondrodysplasias / Q000150:complications; D012447:Sacrum / Q000473:pathology; D012540:Scapula / Q000473:pathology; D013125:Spinal Neoplasms / Q000473:pathology; D013639:Tarsal Bones / Q000473:pathology; D013977:Tibia / Q000473:pathology