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Endometrial Involvement in Pseudomyxoma Peritonei Secondary to Low-Grade Appendiceal Mucinous Neoplasm: Report of 2 Cases INTERNATIONAL JOURNAL OF GYNECOLOGICAL PATHOLOGY McVeigh, G., Shah, V., Longacre, T. A., McCluggage, W. G. 2015; 34 (3): 232-238

Abstract

Pseudomyxoma peritonei is a clinical condition characterized by the presence of mucinous ascites, usually with variable amounts of neoplastic enteric-type mucinous epithelium, and most commonly secondary to spread from a low-grade appendiceal mucinous neoplasm. We report 2 cases of pseudomyxoma peritonei associated with low-grade appendiceal mucinous neoplasms where there was colonization of the endometrium (both cases) and cervical mucosa (1 case) by low-grade atypical enteric-type mucinous epithelium (CK20 positive and CK7 negative). The patients had symptoms of mucoid vaginal discharge and endometrial biopsies in both (1 patient had multiple endometrial biopsies over a period of 11 mo) and were initially interpreted as representing mucinous metaplasia. Pseudomyxoma peritonei may rarely result in endometrial and cervical mucosal involvement, presumably secondary to transtubal spread.

View details for DOI 10.1097/PGP.0000000000000149

View details for Web of Science ID 000352640800004

View details for PubMedID 25760906