title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 14-1995. A 12-year-old boy with progressive nasal obstruction.
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D018450:Disease Progression; D005005:Ethmoid Sinus / Q000473:pathology*; D006801:Humans; D008297:Male; D009296:Nasal Cavity / Q000473:pathology; D015508:Nasal Obstruction / Q000209:etiology; D009442:Neurilemmoma / Q000150:complications / Q000473:pathology*; D009669:Nose Neoplasms / Q000150:complications / Q000473:pathology*; D010255:Paranasal Sinus Neoplasms / Q000150:complications / Q000473:pathology*