title: JAAD Grand Rounds quiz. A 70-year-old man with pruritic plaques.
authors.affiliation: Winston-Salem, North Carolina.
authors.forename: Kristen
authors.initials: K
authors.lastname: LoSicco
authors.affiliation: Winston-Salem, North Carolina.
authors.forename: Andrew D
authors.initials: AD
authors.lastname: Lee
authors.affiliation: Winston-Salem, North Carolina.
authors.forename: Gil
authors.initials: G
authors.lastname: Yosipovitch
mesh_terms: D000368:Aged; D018282:Cystadenocarcinoma, Mucinous / Q000453:epidemiology; D003937:Diagnosis, Differential; D015322:Gene Rearrangement, B-Lymphocyte; D006801:Humans; D016393:Lymphoma, B-Cell / Q000175:diagnosis* / Q000453:epidemiology / Q000276:immunology / Q000473:pathology; D008297:Male; D016609:Neoplasms, Second Primary / Q000453:epidemiology; D010190:Pancreatic Neoplasms / Q000453:epidemiology; D011537:Pruritus / Q000209:etiology*; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000453:epidemiology / Q000276:immunology / Q000473:pathology