title: JAAD Grand Rounds quiz. Decades of progressive red and yellow nodules.
authors: Mary M
authors: MM
authors: Moore
authors: Michael J
authors: MJ
authors: Wells
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D015618:Histiocytosis, Sinus / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D006801:Humans; D008297:Male; D057832:Watchful Waiting; D014973:Xanthomatosis / Q000175:diagnosis