Pseudo-Meigs syndrome: a rare cause of abdominal ascites in a patient with an ovarian mass.

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This paper reports a case of a young woman with new abdominal ascites that was initially attributed to cirrhotic portal hypertension, but was ultimately found to represent an atypical pseudo-Meigs syndrome associated with a benign ovarian teratoma. Pseudo-Meigs syndrome is described as resembling Meigs syndrome and causing pleural effusion and ascites that resolve after surgical intervention, a pattern that can be confused with metastatic ovarian cancer or decompensated cirrhosis. The authors present the diagnostic challenge and diagnostic misdirection inherent in this presentation. Relevance to endometriosis: the paper’s main focus is pseudo-Meigs syndrome from a benign ovarian tumor, and it does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Meigs syndrome is a rare phenomenon seen in approximately 1% of patients diagnosed with ovarian tumours. It is defined as a triad of a benign ovarian tumour, pleural effusion and ascites with complete resolution of symptoms following surgical intervention. This constellation of findings can be confused with several diagnoses, ranging from metastatic ovarian cancer to decompensated cirrhosis. Herein, we present a young woman presenting with new ascites, initially thought to be due to cirrhotic portal hypertension and found to have an atypical presentation of pseudo-Meigs syndrome, in the setting of a benign ovarian teratoma.
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Article Text Abstract Meigs syndrome is a rare phenomenon seen in approximately 1% of patients diagnosed with ovarian tumours. It is defined as a triad of a benign ovarian tumour, pleural effusion and ascites with complete resolution of symptoms following surgical intervention. This constellation of findings can be confused with several diagnoses, ranging from metastatic ovarian cancer to decompensated cirrhosis. Herein, we present a young woman presenting with new ascites, initially thought to be due to cirrhotic portal hypertension and found to have an atypical presentation of pseudo-Meigs syndrome, in the setting of a benign ovarian teratoma. - Cirrhosis - Gynecological cancer Statistics from Altmetric.com Footnotes Presented at This abstract has been presented at ACG Conference in Philadelphia, Pennsylvania, USA, in October 2024.11 Contributors MT is the guarantor and was responsible for study conception, design and final review of manuscript. TB was responsible for writing, critical appraisal and final review of manuscript. SD was responsible for image selection. Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors. Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy. Competing interests None declared. Provenance and peer review Not commissioned; externally peer reviewed.

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last seen: 2026-07-11T06:07:31.639957+00:00