Colon atresia

The incidence of colonic atresia is 1/1500 to 20000, and less than 5% of the cases of colonic atresia occur in the colon. The etiology and pathology are basically the same as those of small intestinal atresia. Types are: ① diaphragms composed of the mucosa and submucosa, which are more common in the ascending colon and sigmoid colon; ② the two ends are blind, with connective tissue in the middle;

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