The Cronkhite-Canada syndrome with focus on immunity and infection. Report of a case

A 64-year-old man developed diffuse gastrointestinal polyposis, protein-losing enteropathy, skin pigmentation, hair loss, and unique nail changes. He also exhibited pulmonary tuberculosis and impaired immunity with skin anergy, poor lymphocyte mitogens stimulation test, and low serum immunoglobulin. We discuss the relationship of infection, nutrition, immunity, and the Cronkhite-Canada syndrome.