title: Case records of the Massachusetts General Hospital. Case 52-1989. A 63-year-old man with osteomalacia and the later development of a right nasal mass.
mesh_terms: D005005:Ethmoid Sinus; D006393:Hemangiopericytoma / Q000473:pathology; D006801:Humans; D008297:Male; D008637:Mesenchymoma / Q000175:diagnosis / Q000473:pathology*; D008875:Middle Aged; D009296:Nasal Cavity; D009669:Nose Neoplasms / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D010018:Osteomalacia / Q000150:complications / Q000473:pathology*; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis / Q000473:pathology*; D013577:Syndrome