Which one of the following is a malignant bone tumour?
High-Yield Explanation
(C) Chondrosarcoma # MALIGNANT PRIMARY BONE TUMORS include osteosarcoma, chondrosarcoma, Ewing's sarcoma, malignant fibrous histiocytoma, fibrosarcoma, and other sarcoma types. Multiple myeloma is a hematologic cancer which also frequently presents as one or more bone tumors.# CLASSIFICATION of BONE TUMOURS:> Cartilage tumors Osteochondroma: Chondromas Enchondroma Periosteal chondroma Chondroblastoma Chondromyxoid fibroma Chondrosarcoma Dedifferentiated Mesenchymal Clear cell Periosteal> Osteogenic tumors: Osteoid osteoma (B), Osteoblastoma> Fibrogenic tumors: Desmoplastic fibroma of bone, Fibrosarcoma of bone> Fibrohistiocytic tumors: Histiocytoma of bone> Ewing sarcoma/Primitive neuroectodermal tumor> Giant cell tumors: Giant cell tumor> Notochordal tumors: Chordoma> Vascular tumors: Haemangioma and related lesions, Angiosarcoma> Myogenic, lipogenic, neural and epithelial tumors: Leiomyosarcoma of bone, Lipoma of bone, Adamantinoma and osteofibrous dysplasia> Tumors of undefined neoplastic nature: Aneurysmal bone cyst Simple bone cyst; Fibrous dysplasia (B); Langerhans cell histiocytosis (LCH)