Meigs syndrome was misdiagnosed as a malignant ovarian tumor: a case report.

ABSTRACT:

Background

Meigs syndrome is characterized by the association of a benign ovarian tumor, typically an ovarian fibroma, with pleural effusion and ascites.

Case summary

This report presents a case of a 54-year-old woman who was misdiagnosed with malignant ovarian neoplasm due to the presence of significant abdominal distension and elevated CA125 levels. Initial imaging at multiple external facilities suggested a left-sided malignant ovarian tumor, leading to unnecessary delays in treatment. Upon admission to our institution in April 2024, imaging confirmed a large pelvic mass, and subsequent diagnostic procedures indicated a likely fibroma. Surgical intervention revealed a left ovarian thecoma, and post-operative pathology confirmed the diagnosis. Notably, CA125 levels decreas

SUBMITTER: Li H 

PROVIDER: S-EPMC12446027 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature