[Endometrial and endocervical lesions associated with pseudomyxoma peritonei: a case report]

Ines Samet, B. Cormier, Bénédicte Cormier, Hameid Mowlawi, Anne Philippe, Flavie Arbion, Franck Fétissof
Annales de pathologie · 2009 · vol. 29(3) , pp. 233–237 · doi:10.1016/j.annpat.2009.02.017 · PMID:19619832 · W1971935420
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A case report describes endometrial and endocervical mucinous lesions in a patient with pseudomyxoma peritonei, suggesting these findings represent distant implantation of epithelium from an appendiceal neoplasm.

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Abstract

The association of a pseudomyxoma peritonei with a mucinous tumor of the appendix and/or the ovary is regularly reported in the literature. However, in this context, endometrial or endocervical lesions remain exceptional. We report the case of a 57-year-old patient, with pseudomyxoma peritonei associated with a low-grade mucinous neoplasia of appendix and both ovaries. The systematic sampling of endometrium and endocervix showed small segments of intestinal epithelium admixed with native epithelium. Histological and immunohistochemical characteristics of this epithelium were quite comparable to those observed in the appendix and ovaries. The endocervical and endometrial lesions might represent an implantation of mucinous epithelium from appendix, emphasizing the capacity of this epithelium to implant at a distance from the original lesion.

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MeSH descriptors

Adenocarcinoma, Mucinous Appendiceal Neoplasms Cervix Uteri Endometrium Neoplasms, Multiple Primary Ovarian Neoplasms Pseudomyxoma Peritonei Adenocarcinoma, Mucinous Adenocarcinoma, Mucinous Adenocarcinoma, Mucinous Adenocarcinoma, Mucinous Appendectomy Appendiceal Neoplasms Appendiceal Neoplasms Appendiceal Neoplasms Appendiceal Neoplasms Breast Neoplasms Breast Neoplasms Carcinoma, Ductal, Breast Carcinoma, Ductal, Breast

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