Abstract
Purpose
To assess the diagnostic accuracy of endometrial thickness measurements of transvaginal ultrasound (TVUS) in asymptomatic postmenopausal women in the detection of endometrial malignancy.
Methods
A retrospective cohort study in a university hospital was undertaken with 276 consecutive asymptomatic postmenopausal women undergoing dilatation and curettage (D&C) and hysteroscopy for an incidental finding of thickened endometrium (≥4 mm) between 2003 and 2012. Different endometrial thickness cutoff values were tested on the basis of a pathologic report with carcinoma conditions (endometrial hyperplasia with atypia and endometrial carcinoma).
Results
The mean age of patients was 59.8 ± 9.0 years. The mean duration of menopause was 11.2 ± 8.9 years. The final pathology diagnoses included 107 (38.8 %) patients with polyps, 42 (15.2 %) with atrophic endometrium, 39 (14.1 %) with estrogen exposure, and 19 (6.9 %) with normal endometrium. With regard to carcinoma conditions, nine patients (3.3 %) had endometrial hyperplasia with atypia and eight patients (2.9 %) had endometrial carcinoma. The area under the ROC curve was 0.52 (95 % CI 0.44–0.57), which indicated a poor accuracy of endometrial thickness of TVUS for carcinoma conditions.
Conclusions
Routine use of endometrial thickness measurement with TVUS does not seem to be an effective diagnostic tool for endometrial cancer because it has a low diagnostic performance in asymptomatic postmenopausal women. Further prospective studies are required to assess the endometrial thickness measurement with TVUS as a screening method in these women.
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The authors thank David F. Chapman for language editing of the manuscript.
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Authors declare that they have all participated in the design, execution, and analysis of the paper, and that they have approved the final version. Additionally, there are no conflicts of interest in connection with this paper.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Yasa, C., Dural, O., Bastu, E. et al. Evaluation of the diagnostic role of transvaginal ultrasound measurements of endometrial thickness to detect endometrial malignancy in asymptomatic postmenopausal women. Arch Gynecol Obstet 294, 311–316 (2016). https://doi.org/10.1007/s00404-016-4054-5
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DOI: https://doi.org/10.1007/s00404-016-4054-5