“…16 In addition, necrolytic acral erythema, a condition occurring in patients with hepatitis C infection, and pellagra show similar histologic features. 17,18 In addition to CF, many other systemic conditions can resemble or have been associated with acrodermatitis enteropathica due to acquired zinc and/ or protein deficiency. These conditions include Crohn's disease, 2 propionic acidemia, 11 glutaric aciduria type 1, 12 nonketotic hyperglycinemia, 13 isoleucine deficiency, 14 alcoholic pancreatitis and cirrhosis, 19,20 intestinal bypass operation, 21 lymphoma, 22 biotin deficiency, 23 anorexia nervosa, 24 chemotherapy for hematologic malignancies, 25 citrullinemia, 26 essential fatty acid deficiency, 27 deficiency of ornithine transcarbamylase, 28 total intravenous hyperalimentation, 29 methylmalonic acidemia, 30 HIV infection, 31 and partial gastrectomy.…”