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An 18-year-old white man with congenital agammaglobulinemia that was probably sex-linked developed clinically and pathologically typical regional enteritis. The association of these diseases provides evidence that antibody is not directly involved in the pathogenesis of regional enteritis and that plasma cells, a usual histologic feature of regional enteritis, are not essential. Antibody lack probably does not predispose to regional enteritis, and cellular immunity may be important in its pathogenesis.
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Ronald C. Eggert (1969) studied this question.
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