title: What is your diagnosis? Focal epithelial hyperplasia (Heck disease).
authors.affiliation: Department of Dermatology, Massachusetts General Hospital, Brigham and Women's Hospital, Harvard Medical School, Boston USA.
authors.forename: Marianna
authors.initials: M
authors.lastname: Blyumin
authors.forename: Amor
authors.initials: A
authors.lastname: Khachemoune
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D017573:Focal Epithelial Hyperplasia / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male