Case report. Extraskeletal mesenchymal chondrosarcoma.
D000328:Adult; D002813:Chondrosarcoma / Q000150:complications / Q000473:pathology*; D005094:Exophthalmos / Q000150:complications; D006258:Head and Neck Neoplasms / Q000150:complications / Q000473:pathology*; D006801:Humans; D008297:Male; D009896:Optic Atrophy / Q000150:complications