Appendix
General
Duplication


Topic Completed: 1 August 2012

Minor changes: 20 August 2019

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PubMed Search: Duplication appendix

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Cite this page: Mansouri J. Duplication. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/appendixduplication.html. Accessed May 24th, 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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