title: JAAD Grand Rounds quiz. Necrotic, ulcerated papules on a newborn male.
authors.affiliation: Houston, Texas.
authors.forename: Kristen R
authors.initials: KR
authors.lastname: Weidner
authors.forename: Stanley
authors.initials: S
authors.lastname: Chan
authors.forename: Reena
authors.initials: R
authors.lastname: Jogi
authors.forename: Adrienne S
authors.initials: AS
authors.lastname: Glaich
authors.forename: Daniel A
authors.initials: DA
authors.lastname: Ostler
authors.forename: Sylvia
authors.initials: S
authors.lastname: Hsu
mesh_terms: D003937:Diagnosis, Differential; D006646:Histiocytosis, Langerhans-Cell / Q000151:congenital* / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D017444:Skin Diseases, Papulosquamous / Q000151:congenital* / Q000175:diagnosis*