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July 1987

Duplication of the Appendix Mimicking Adenocarcinoma of the Colon

Author Affiliations

From the Departments of Surgery and Pathology, Vanderbilt University School of Medicine, Nashville, Tenn. Dr O'Leary is now with Baylor University Medical Center, Dallas.

Arch Surg. 1987;122(7):817-820. doi:10.1001/archsurg.1987.01400190083016

• Duplication of the appendix is a rare anomaly that has been reported fewer than 60 times. Three anatomic types of appendiceal duplications have been described—each the result of a different embryologic occurrence. A unique case of appendiceal duplication is presented, in which the duplication caused a constricting lesion of the colon and mimicked carcinoma. The anomalous appendix in this patient was not compatible with any of the previously described types of appendiceal duplications.

(Arch Surg 1987;122:817-820)

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