[Metaplasic Paneth cells in ulcerative colitis].

Background: Paneth cells are normally present in small intestine, but its appearance in other areas of the gastrointestinal tract is related to chronic inflammatory processes.

Material And Methods: In our study we retrospectively examined 29 patients with diagnosis of ulcerative colitis, from the files of Instituto de Histopatología de Rosario, and from the casuistry of two authors (O.B.