title: Slowly progressive abdominal skin lesion of 15 years' duration.
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Germany.
authors.forename: Verena
authors.initials: V
authors.lastname: Kröhl
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Germany.
authors.forename: Alexander H
authors.initials: AH
authors.lastname: Enk
authors.affiliation: Department of Dermatology, University Hospital Heidelberg, Germany.
authors.forename: Ferdinand
authors.initials: F
authors.lastname: Toberer