Association of chagasic megacolon and cancer of the colon: case report and review of the literature.

There are few descriptions of association between chagasic megacolon and colon cancer. We report a case of obstructive abdomen caused by adenocarcinoma of the left colon in chagasic megacolon. A review of the literature revealed 8 cases of this association and, analyzing together the series of findings of cancer in chagasic organomegalies, we found a frequency of 4.

[Microflora in chagasic megaesophagus].

Chagasic patients with megaesophagus were submitted to an endoscopy of the upper digestive tract and the samples were collected with special instruments under sterilized conditions. One of the four samples collected was from the stase liquid and the other three samples were collected from fragments of the esophageal mucosa at one, three and five centimeters from the esophageal-stomach transition (Z line). The samples were analyzed by the Microbiology and Pathologic labs for the identification of microorganisms.