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자료유형
학술저널
저자정보
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대한산부인과학회 Obstetrics & Gynecology Science Obstetrics & Gynecology Science 제62권 제6호
발행연도
2019.1
수록면
445 - 453 (9page)

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ObjectiveTo assess the clinical usefulness and diagnostic accuracy of ultrasonographic measurement of endometrial thickness (ET)in women with endometrial hyperplasia or cancer (EH+). MethodsThis retrospective cohort study included 29,995 consecutive women who underwent transvaginal ultrasonography(TVS) for an incidental finding of a thickened endometrium at the health screening and promotion center at AsanMedical Center between 2006 and 2010. Among 959 patients with endometrial abnormalities, 92 patients wereincluded in this study. A total of 867 patients were excluded: 416 were lost to follow-up; 263 did not undergoendometrial biopsy; 155 had endometrial polyps; 17 had submucosal myomas; and 16 had insufficient tissue samples. Endometrial histology was the reference standard for calculating accuracy. ResultsOf the 92 patients, 78 (84.8%) had normal pathology, while 14 (15.2%) had endometrial pathology (EH+), including5 patients (35.7%) with simple hyperplasia without atypia, 3 (21.4%) with complex hyperplasia, and 6 (42.9%)with endometrial carcinoma, all stage Ia. The area under the receiver-operating characteristic curve was 0.75 (95%confidence interval [CI], 0.593–0.906). The cut-off value for ET was 8 mm, indicating that TVS ET had a fair accuracyin diagnosing carcinoma, had a sensitivity of 100% (95% CI, 62.9–100.0%) and a specificity of 24.3% (95% CI, 15.2–36.3%). ConclusionTVS is useful for detecting EH+, with a cut-off value for ET of 8 mm having a high sensitivity for detecting endometrialpathologies and the ability to identify women highly unlikely to have EH+, thereby avoiding more invasiveendometrial biopsy.

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