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Mesonephric and Mesonephric-Like Proliferations of the Gynecologic Tract.

Mesonephric remnants are vestiges of Wolffian ducts located adjacent to the Müllerian ducts. Proliferations arising from these remnants are uncommon and classified as benign, including mesonephric hyperplasia, Gartner and rete …

Published: Sept. 30, 2026, midnight
Mesonephric-like adenocarcinoma as an unexpected histological result after fertility saving procedure for presumed adenomyosis: a case report.

We report an unexpected case of mesonephric-like adenocarcinoma initially treated as a diffuse adenomyosis in a patient presenting with primary infertility. The aim of this report is to raise clinical …

Published: June 5, 2026, midnight
Extrauterine mesonephric-like carcinoma: a tumor with a cold lymphocytic immune microenvironment.

Extrauterine mesonephric-like carcinoma (ExUMLC) is a rare female genital tract tumor associated with advanced stage disease and distant recurrences. Although there is a histologic and mutational overlap with extrauterine low …

Published: May 20, 2026, midnight
Pelvic Müllerian duct cyst with coexisting endometriosis: a case report.

Müllerian duct cyst (MDC) is an uncommon congenital lesion arising from incomplete regression of the paramesonephric duct. It typically presents as a midline pelvic cystic lesion and is often asymptomatic, …

Published: May 19, 2026, midnight
Obstructed hemivagina and ipsilateral renal anomaly syndrome: a case series of 4 patients with insights into diagnosis and treatment strategies.

Obstructed hemivagina and ipsilateral renal anomaly syndrome was first identified by Purslow in 1922 as a result of abnormal embryologic development of the Müllerian (paramesonephric) and Wolffian (mesonephric) ducts. The …

Published: April 23, 2026, midnight
Peritoneal Mesonephric-Like Adenocarcinoma Arising in Endometriosis: Case Report and Review of the Literature Expanding the Spectrum of Extrauterine Mesonephric-Like Adenocarcinomas.

BackgroundMesonephric-like adenocarcinoma (MLA) is a rare type of Müllerian carcinoma that poses significant diagnostic challenges, especially at extrauterine sites. Its morphologic and immunophenotypic overlap with other carcinomas can lead to …

Published: April 16, 2026, midnight
Expanded Histologic Lineage and Origin of Mesonephric-Like Adenocarcinoma: A Clinicopathologic Study of 9 Cases.

Mesonephric-like adenocarcinoma (MLA) is a rare gynecologic malignancy primarily arising in the uterine corpus and ovaries. It shares remarkable similarities in its histomorphology, immunophenotype, and molecular features with mesonephric adenocarcinoma …

Published: Dec. 31, 2025, midnight
Mesonephric-like Adenocarcinoma (MLA) Diagnostic Criteria and Controversies: Perspectives and Guidance From Pathologists in the MLA Consortium.

Mesonephric-like adenocarcinoma (MLA) is a rare and aggressive gynecologic malignancy that has only been recognized in the last decade. It arises in the endometrium, ovaries, and other extrauterine sites (often …

Published: Nov. 24, 2025, midnight
Multi-institutional study of mesonephric-like adenocarcinoma: its clinicopathological characteristics and histogenetic association with ectopic endometrium.

To explore the clinicopathological features and origin of mesonephric-like adenocarcinomas (MLAs), 83 cases diagnosed or suspected to be MLAs were collected from various institutions in Japan. We clearly classified 78 …

Published: Oct. 29, 2025, midnight
Ovarian mesonephric-like adenocarcinoma mimicking serous carcinoma: A case report integrating cytologic, frozen, histological, immunohistochemistry, and molecular analyses.

Mesonephric-like adenocarcinoma (MLA) is a recently recognized, rare subtype of endometrial carcinoma that can also arise in the ovary. Ovarian MLA is uncommon and often misdiagnosed due to its varied …

Published: Oct. 25, 2025, midnight
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