title: [75-year-old male with rapidly growing nodule on elbow].
authors.affiliation: Dermatologische Praxis, Wuppertal. drdirschka@aol.com
authors.forename: Thomas
authors.initials: T
authors.lastname: Dirschka
authors.forename: Hans-Ullrich
authors.initials: HU
authors.lastname: Schildhaus
authors.forename: Eva
authors.initials: E
authors.lastname: Wardelmann
authors.forename: Heinz Werner
authors.initials: HW
authors.lastname: Seifert
authors.forename: Erhard
authors.initials: E
authors.lastname: Bierhoff
mesh_terms: D000368:Aged; D015266:Carcinoma, Merkel Cell / Q000150:complications* / Q000473:pathology*; D004550:Elbow / Q000473:pathology*; D006801:Humans; D008297:Male; D012872:Skin Diseases, Vesiculobullous / Q000209:etiology* / Q000473:pathology*; D012878:Skin Neoplasms / Q000150:complications* / Q000473:pathology*