[Case of chondroma of the paranasal sinus developing into chondrosarcoma in the course of 7 years].
D000367:Age Factors; D000368:Aged; D002812:Chondroma / Q000150:complications* / Q000601:surgery; D002813:Chondrosarcoma / Q000209:etiology*; D005260:Female; D006801:Humans; D009297:Nasal Mucosa / Q000473:pathology; D010255:Paranasal Sinus Neoplasms / Q000601:surgery; D012737:Sex Factors