title: Testing your diagnostic skills (#53). Case 1: Cheilitis glandularis apostematosa. Actinic keratosis (cheilitis).
authors.forename: G
authors.initials: G
authors.lastname: Weeks
mesh_terms: D000293:Adolescent; D002613:Cheilitis / Q000209:etiology / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D013472:Sunlight / Q000009:adverse effects