title: Cholesterol granuloma of the maxillary and frontal sinuses.
abstract: 5 cases of cholesterol granuloma are described, 3 within the maxillary sinuses and 2 within the frontal sinuses. The lesions arise from the mucosa and can be recognized on plain films and tomograms of the sinus as opacity, sometimes resembling a mucocele. Radical operation seems to give absolute cure without any recurrence. The pathogenesis is hemorrhage and/or filtration. The closed cavities of the paranasal sinuses provide favorable conditions for cholesterol to become dissociated from the lipoprotein complex and to precipitate and to give rise to a granulomatous reaction.
mesh_terms: D000328:Adult; D002784:Cholesterol / Q000502:physiology; D005260:Female; D005626:Frontal Sinus; D006099:Granuloma / Q000209:etiology / Q000473:pathology*; D006801:Humans; D008297:Male; D008443:Maxillary Sinus; D008875:Middle Aged; D009298:Nasal Polyps / Q000209:etiology / Q000473:pathology; D010254:Paranasal Sinus Diseases / Q000209:etiology / Q000473:pathology*
chemical_list: D002784:Cholesterol