title: Chondrosarcoma of the first metatarsal.
abstract: Chondrosarcoma of the first metatarsal was observed in an 84-year-old man. Chondrosarcoma of the small bones of the foot is comparatively rare. These tumors generally arise de novo rather than from a preexisting benign cartilage lesion. Pedal chondrosarcoma presents as a painful enlarging mass. Radiographs show lytic destruction of bone with or without calcification. The histological grade, location of the tumor, and adequacy of surgical excision are the major determinants of long-term survival.
mesh_terms: D000368:Aged; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D002813:Chondrosarcoma / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008297:Male; D008684:Metatarsus; D011379:Prognosis; D011859:Radiography