Endometrial antibodies versus CA-125 for the detection of endometriosis

Diagnostic accuracy OA: closed public-domain-us
⚙ AI-generated summary by qwen3.7-flash, 2026-09-07 ⓘ

Evaluating 202 patient sera, this study found that endometrial antibody testing achieved higher sensitivity (83.1%) than CA-125 (27.3%) for detecting endometriosis, suggesting its potential utility as a diagnostic adjunct.

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Abstract

Detection of endometrial antibodies using an indirect immunofluorescence method along with a well-established human endometrial carcinoma cell line was evaluated and compared with CA-125 for detecting endometriosis. Two hundred two patient sera from the infertility, gynecological, and gynecological oncology services were evaluated. The sensitivity for antibody testing was 83.1% with a specificity of 78.8%, in contrast to a sensitivity of 27.3% and a specificity of 82.6% for CA-125. These preliminary findings offer promise that antibody detection methods may be a useful adjunct in the diagnosis of endometriosis.

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Condition tags

endometriosisinfertility

MeSH descriptors

Antigens, Tumor-Associated, Carbohydrate Autoantibodies Biomarkers, Tumor Endometriosis Endometrium Uterine Neoplasms Adult Adult Antigens, Tumor-Associated, Carbohydrate Antigens, Tumor-Associated, Carbohydrate Autoantibodies Autoantibodies Biomarkers, Tumor Biomarkers, Tumor Endometriosis Endometriosis Endometriosis Endometriosis Endometrium Endometrium

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Source provenance

europepmc
last seen: 2026-10-19T06:17:24.038039+00:00
pubmed
last seen: 2026-10-08T21:06:57.459801+00:00
unpaywall
last seen: 2026-09-17T06:32:46.214484+00:00
License: public-domain-us · commercial use OK · attribution required
Courtesy of the U.S. National Library of Medicine