title: An 11-year-old girl with knuckle plaques. Knuckle pads.
authors.affiliation: Division of Dermatology, Children's Memorial Medical Center, Northwestern University, Chicago, IL, USA.
authors.forename: Stephanie
authors.initials: S
authors.lastname: Christen-Zaech
authors.forename: Sarah L
authors.initials: SL
authors.lastname: Chamlin
mesh_terms: D002648:Child; D005260:Female; D005384:Finger Joint; D006229:Hand Dermatoses / Q000175:diagnosis* / Q000503:physiopathology*; D006801:Humans; D007087:Illinois; D012867:Skin / Q000473:pathology