Mullerianosis of the Mesosalpinx: A Case Report

Sungjig Lim, Lim S, Sung-Jig Lim, Kim JY, Jung Yeon Kim, Kyeongmee Park, Park K, Kim BR, Bok-Rin Kim, Ahn G, Geunghwan Ahn
International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists · 2003 · vol. 22(2) , pp. 209–212 · doi:10.1097/00004347-200304000-00018 · PMID:12649681 · W2140600932
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-10 ⓘ

This case report describes mullerianosis of the mesosalpinx, presenting as a mass mimicking metastatic adenocarcinoma, which was microscopically characterized by endocervical and tubal glands and endometriosis.

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⚙ AI-generated deep summary by qwen3.7-flash, 2026-08-20 · read from full text ⓘ

This case report describes a 37-year-old woman with a mixed epithelial cystadenoma of borderline malignancy and bilateral ovarian endometriosis who presented with a firm mass in the left mesosalpinx. Microscopic examination revealed glands lined by endocervical-type epithelium with admixed tubal-type glands and foci of endometriosis, exhibiting mucin extravasation without desmoplastic stromal reaction. The lesion mimicked metastatic adenocarcinoma, highlighting the importance of recognizing this rare Mullerianosis variant to prevent misdiagnosis and unnecessary aggressive treatment. Relevance to endometriosis: listed as one indication for GnRH antagonists, though the paper's main focus is uterine fibroids.

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Abstract

We report a case of mullerianosis of the mesosalpinx, the appearance of which simulated metastatic adenocarcinoma. The patient was a 37-year-old woman with a mixed epithelial cystadenoma of borderline malignancy associated with endometriosis in both ovaries. The left mesosalpinx contained a firm, 2.2-cm, gray-white mass that on microscopic examination consisted of glands lined mostly by endocervical-type epithelium with admixed tubal-type glands and foci of endometriosis. Rupture of glands with extravasation of mucin into the surrounding stroma was observed, but there was no desmoplastic stromal reaction. Awareness of this relatively uncommon lesion is critical to avoid misdiagnosis and overly aggressive treatment.
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CASE REPORT Mullerianosis of the Mesosalpinx: A Case Report - Sungjig Lim - Jung Yeon Kim - Kyeongmee Park - Bok-Rin Kim - Geunghwan Ahn International Journal of Gynecological Pathology 22(2):p 209-212, April 2003. Summary: We report a case of mullerianosis of the mesosalpinx, the appearance of which simulated metastatic adenocarcinoma. The patient was a 37-year-old woman with a mixed epithelial cystadenoma of borderline malignancy associated with endometriosis in both ovaries. The left mesosalpinx contained a firm, 2.2-cm, gray-white mass that on microscopic examination consisted of glands lined mostly by endocervical-type epithelium with admixed tubal-type glands and foci of endometriosis. Rupture of glands with extravasation of mucin into the surrounding stroma was observed, but there was no desmoplastic stromal reaction. Awareness of this relatively uncommon lesion is critical to avoid misdiagnosis and overly aggressive treatment. Copyright ©2003International Society of Gynecological Pathologists

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Condition tags

endometriosis

MeSH descriptors

Adenocarcinoma Cystadenoma, Mucinous Fallopian Tubes Mullerian Ducts Ovarian Neoplasms Adenocarcinoma Adult Cystadenoma, Mucinous Cystadenoma, Mucinous Diagnosis, Differential Endometriosis Endometriosis Endometriosis Fallopian Tubes Female Humans Mucins Mucins Mullerian Ducts Ovarian Neoplasms

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