title: A 41-year-old woman with a scaly erythematous plaque admixed with erosions on the groin, back, and legs: challenge. Nutritional deficiency.
authors.affiliation: Department of Pathology, Wake Forest University Baptist Medical Center, Winston-Salem, NC 27157, USA. stepsmit@wfubmc.edu
authors.forename: Brooks
authors.initials: B
authors.lastname: Smith
authors.forename: Ashley
authors.initials: A
authors.lastname: Curtis
authors.forename: Amy
authors.initials: A
authors.lastname: Parsons
authors.forename: Gil
authors.initials: G
authors.lastname: Yosipovitch
authors.forename: Omar P
authors.initials: OP
authors.lastname: Sangüeza
mesh_terms: D000328:Adult; D001415:Back; D001706:Biopsy; D003677:Deficiency Diseases / Q000150:complications / Q000175:diagnosis* / Q000378:metabolism; D005260:Female; D006119:Groin; D006801:Humans; D007866:Leg; D009525:Niacin / Q000172:deficiency*; D010383:Pellagra / Q000209:etiology* / Q000473:pathology; D011087:Polycythemia Vera / Q000209:etiology* / Q000473:pathology; D012867:Skin / Q000473:pathology*; D015032:Zinc / Q000172:deficiency*
chemical_list: D009525:Niacin; D015032:Zinc