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Reviewer: Jaleh Mansouri, M.D., (see Reviewers page)
Revised: 15 October 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Duplications usually have complete and separate inner circular and outer longitudinal muscle bands, and prominent lymphoid component

Type A:
● Common base, single cecum and bifurcated distal portion
● Usually incidental finding

Type B:
● Two separate appendices with distinct bases arising from common cecum
● Associated with other system anomalies, but usually incidental finding

Type C:
● Two cecal structures, each with its own single appendix
● Associated with other organ duplications; extensive corrective surgery required

Gross images

Duplicated appendix

End of Appendix > Duplication

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