Letter: Pellagra as the initial presentation of Crohn disease.
Dermatology Department, Centro Hospitalar do Porto, EPE-HSA, Porto, Portugal.Dermatology online journal 01/2012; 18(4):12. pp.12
ABSTRACT Pellagra is a nutritional disease caused by the deficiency of niacin. We describe a case of pellagra as the initial presentation of Crohn disease, which has been rarely described in the literature.
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