title: [90-year-old male with a hyperkeratotic lichenoid skin eruption].
authors.affiliation: Klinik für Dermatologie, Venerologie und Allergologie, Klinikum Mannheim gGmbH - Universitätsklinikum, Fakultät für klinische Medizin Mannheim der Ruprecht-Karls-Universität Heidelberg.
authors.forename: Ute
authors.initials: U
authors.lastname: Bauer
authors.forename: Selma
authors.initials: S
authors.lastname: Ugurel
authors.forename: Jochen
authors.initials: J
authors.lastname: Utikal
authors.forename: Dirk
authors.initials: D
authors.lastname: Schadendorf
authors.forename: Sergij
authors.initials: S
authors.lastname: Goerdt
mesh_terms: D000369:Aged, 80 and over; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D007642:Keratosis / Q000209:etiology* / Q000473:pathology*; D017512:Lichenoid Eruptions / Q000150:complications* / Q000473:pathology*; D008297:Male; D012883:Skin Ulcer / Q000209:etiology* / Q000473:pathology*