title: Benign nasal polyps causing bone destruction in the nasal cavity and paranasal sinuses.
abstract: Benign nasal polyposis, when extensive, can cause bone displacement and destruction within the nasal cavity and paranasal sinuses. Consequently it may be difficult to distinguish this entity from a malignant neoplasm.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001847:Bone Diseases / Q000209:etiology*; D005005:Ethmoid Sinus / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009296:Nasal Cavity / Q000000981:diagnostic imaging; D009298:Nasal Polyps / Q000150:complications* / Q000000981:diagnostic imaging; D009668:Nose Diseases / Q000209:etiology; D010254:Paranasal Sinus Diseases / Q000209:etiology*; D011859:Radiography; D012598:Sclerosis / Q000209:etiology