Endometrial stromal sarcoma presenting as a cystic abdominal mass.

Pathologica · 2009 · vol. 101(2) , pp. 93–6 · PMID:19886556 · W24327470
article OA: closed CC0 ⤵ 2 in-corpus citations
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AI-generated summary by claude@2026-06, 2026-06-10

This case report describes a 45-year-old woman with an abdominal endometrial stromal sarcoma presenting as a large cystic mass, which arose in endometriosis and was treated with hormonal therapy.

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Abstract

Endometrial stromal sarcoma (ESS) is rarely localized in extrauterine sites if metastasis or local extension of the primary uterine tumour are excluded, and diagnosis can be delayed because of the unusual site. We report a case of abdominal ESS in a 45-year-old woman who presented with an abdominal complaint. Ultrasound of the abdomen showed a large multiloculated cystic mass. The complete excision of the tumour revealed ESS arising in endometriosis. The tumour expressed hormonal receptors and the patient was administered hormonal therapy. ESS has a better prognosis than the sarcoma that is part of differential diagnosis, and is associated with endometriosis in about one-half of cases.

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Condition tags

endometriosis

MeSH descriptors

Abdominal Neoplasms Endometriosis Sarcoma, Endometrial Stromal Abdominal Neoplasms Abdominal Neoplasms Abdominal Neoplasms Cysts Cysts Diagnosis, Differential Endometriosis Female Gastrointestinal Stromal Tumors Gastrointestinal Stromal Tumors Humans Immunohistochemistry Middle Aged Nerve Sheath Neoplasms Nerve Sheath Neoplasms Sarcoma Sarcoma

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Cited by (2)

Source provenance

europepmc
last seen: 2026-06-11T06:19:48.454388+00:00
openalex
last seen: 2026-06-04T00:00:01.174412+00:00
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License: CC0 · commercial use OK