title: A chondrosarcoma of the hand arising from an asymptomatic benign solitary enchondroma of 40 years' duration.
mesh_terms: D001859:Bone Neoplasms / Q000473:pathology*; D002812:Chondroma / Q000473:pathology*; D002813:Chondrosarcoma / Q000473:pathology*; D005260:Female; D005385:Fingers; D006801:Humans; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary