title: Silica granuloma of a lymph node.
abstract: A case of silica granuloma in the submasseteric lymph node is presented. Sarcoidosis was excluded, as crystalline particles, with a double-refractile property, were seen in polarized light. The most probable cause was a delayed hypersensitivity reaction to silica from a lipstick cream introduced through a recurring angular cheilitis.
authors.affiliation: Department of Oral Pathology, University of Pretoria, South Africa.
authors.forename: A J
authors.initials: AJ
authors.lastname: Ligthelm
authors.forename: K W
authors.initials: KW
authors.lastname: Bütow
authors.forename: A
authors.initials: A
authors.lastname: Weber
mesh_terms: D000328:Adult; D003358:Cosmetics / Q000009:adverse effects; D004342:Drug Hypersensitivity / Q000209:etiology; D005260:Female; D006099:Granuloma / Q000139:chemically induced* / Q000473:pathology; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000139:chemically induced; D008198:Lymph Nodes / Q000473:pathology*; D008206:Lymphatic Diseases / Q000139:chemically induced* / Q000473:pathology; D008406:Masseter Muscle; D012822:Silicon Dioxide / Q000009:adverse effects*
chemical_list: D003358:Cosmetics; D012822:Silicon Dioxide