title: Unclear ulcerations on the lower extremities in a 30-year-old man.
authors.affiliation: Department of Dermatology, University Hospital Jena, Germany.
authors.forename: Sibylle
authors.initials: S
authors.lastname: Schliemann
authors.affiliation: Dermatology Practice, Jena, Germany.
authors.forename: Veronika
authors.initials: V
authors.lastname: Fünfstück
authors.affiliation: Department of Dermatology, University Hospital Jena, Germany.
authors.forename: Petra
authors.initials: P
authors.lastname: Kirschner
authors.affiliation: Department of Dermatology, University Hospital Jena, Germany.
authors.forename: Steven
authors.initials: S
authors.lastname: Goetze
authors.affiliation: Department of Dermatology, University Hospital Jena, Germany.
authors.forename: Peter
authors.initials: P
authors.lastname: Elsner
mesh_terms: D000328:Adult; D046169:Dermoscopy / Q000379:methods; D003937:Diagnosis, Differential; D004473:Ecthyma / Q000473:pathology*; D015658:HIV Infections / Q000175:diagnosis*; D006801:Humans; D007866:Leg / Q000473:pathology*; D007871:Leg Ulcer / Q000473:pathology*; D008297:Male; D017193:Skin Diseases, Viral / Q000473:pathology*; D013591:Syphilis, Cutaneous / Q000473:pathology*