Topic Completed: 1 August 2012

Minor changes: 20 August 2019

Copyright: (c) 2003-2019,, Inc.

PubMed Search: Duplication appendix

Page views in 2019: 238
Page views in 2020 to date: 105
Cite this page: Mansouri J. Duplication. website. Accessed May 31st, 2020.
Definition / general
  • 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

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Duplicated appendix

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