Reduplication cyst of appendix with mucinous carcinoma and Mullerian metaplasia: a case report

James Sington, J D Sington, B F Warren, Bryan F. Warren, Sanjiv Manek, S Manek
Journal of clinical pathology · 2002 · vol. 55(7) , pp. 551–553 · doi:10.1136/jcp.55.7.551 · PMID:12101210 · PMC1769696 · W2059425731
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

This report details the first documented case of mucinous carcinoma and Müllerian metaplasia found within an appendiceal duplication cyst, treated successfully by surgical excision.

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Abstract

This report describes a case of mucinous carcinoma and Müllerian metaplasia arising within an appendiceal duplication cyst found incidentally during an emergency Caesarian section. Intestinal duplication cysts are rare and although there are occasional reports of malignant transformation, this is the first case where Müllerian metaplasia was found concurrently with a malignancy. There was no previous history of endometriosis and no other abnormalities were found at surgery. Treatment included surgical excision. The patient is alive and well two years after removal of the cyst.

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Condition tags

endometriosis

MeSH descriptors

Adenocarcinoma, Mucinous Appendiceal Neoplasms Appendix Cysts Mullerian Ducts Pregnancy Complications, Neoplastic Adenocarcinoma, Mucinous Adult Appendiceal Neoplasms Appendix Cysts Female Humans Metaplasia Mullerian Ducts Pregnancy Pregnancy Complications, Neoplastic

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Source provenance

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