title: Polypous clear cell acanthoma.
abstract: We report on two cases of polypous clear cell acanthoma. This growth pattern is unusual for the tumor and has not been reported in the literature. Histologically, these two tumors fulfill the criteria of clear cell acanthoma.
authors.affiliation: Department of Dermatology I, University of Vienna, Austria.
authors.forename: P
authors.initials: P
authors.lastname: Petzelbauer
authors.forename: K
authors.initials: K
authors.lastname: Konrad
mesh_terms: D005260:Female; D006801:Humans; D006965:Hyperplasia; D007866:Leg; D008875:Middle Aged; D010212:Papilloma / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*