title: [Lichen planus as facultative precancerosis].
mesh_terms: D000368:Aged; D002277:Carcinoma / Q000209:etiology; D005260:Female; D006801:Humans; D008010:Lichen Planus / Q000150:complications* / Q000175:diagnosis; D008048:Lip Neoplasms / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions / Q000209:etiology*; D012189:Retrospective Studies; D012878:Skin Neoplasms / Q000209:etiology*
vernacular_title: Lichen planus als fakultative Präcancerose.