Case report reveals intestinal duplication presenting as colon cancer in an adult, indicating diagnostic challenges.
INTRODUCTION: Intestinal duplication is a rare congenital anomaly characterized by the presence of a segment of intestinal tissue containing both mucosal and muscular layers adjacent to the normal alimentary tract. Intestinal duplication is most commonly diagnosed in infancy and is rarely observed in adults. Colonic duplications are particularly uncommon and may be difficult to distinguish from malignancy. Herein, we report a rare case of an adult descending colon duplication that was suspected preoperatively to be colon cancer.
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Oyama et al. (2026) studied this question.
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