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Gynecol Obstet Invest. 2005;60(4):218-23. Epub 2005 Aug 9.

Transvaginal ultrasonography of the endometrium in postmenopausal Japanese women.

Author information

  • 1Department of Obstetrics and Gynecology, Osaka City General Hospital, Osaka, Japan. htsud@s5.dion.ne.jp

Abstract

AIMS:

To determine the cut-off level of endometrial thickness for detecting endometrial disease on a large scale of screening and to examine the usefulness of transvaginal ultrasonography (TVS) for endometrial disease screening in asymptomatic postmenopausal Japanese women.

METHODS:

The study involved 1,400 postmenopausal women in whom endometrial thickness was measured with TVS, and then compared with the histopathological diagnosis of endometrial specimens.

RESULTS:

The prevalence of endometrial disease in asymptomatic and symptomatic cases was 2.3 and 21%. In symptomatic cases, at a cut-off limit of 3 mm for endometrial thickness, the sensitivity for detecting endometrial disease was 94%, specificity 70% and positive predictive value 46%. With an endometrial thickness < or = 3 mm, the probability that endometrial disease would be overlooked was 0.025. In asymptomatic cases, the corresponding figures at a cut-off limit of 3 mm were 90, 84, 12% and 0.003.

CONCLUSIONS:

TVS does not appear to be an effective screening method in asymptomatic postmenopausal Japanese women because of the low prevalence of endometrial disease in this population. We recommend a normal cut-off level for endometrial thickness of 4 mm in symptomatic postmenopausal Japanese women.

PMID:
16103680
DOI:
10.1159/000087375
[PubMed - indexed for MEDLINE]
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