• Daniela A Yela, Patricia H Pini, and Cristina L Benetti-Pinto.
• Department of Obstetrics and Gynecology, University of Campinas, Campinas, Brazil.
• Int J Gynaecol Obstet. 2018 Oct 1; 143 (1): 32-36.

ObjectiveTo compare transvaginal ultrasonography and hysteroscopy for the diagnosis of endometrial pathologies.MethodsIn the present retrospective cohort study, data were reviewed from women with ultrasonography findings suggestive of endometrial lesions and/or abnormal uterine bleeding who underwent hysteroscopy at a single center in Campinas, Brazil, between January 2011 and December 2013; data were stratified based on reproductive-aged and postmenopausal groups. The accuracy, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of ultrasonography and hysteroscopy for the diagnosis of endometrial lesions were determined. Histopathology was used as the gold standard.ResultsThere were 754 patients included (256 reproductive age, 498 postmenopausal). In the reproductive-age group, ultrasonography had a sensitivity of 96.0%, specificity of 58.0%, PPV of 94.4%, NPV of 66.6%, and accuracy of 91.5%, whereas hysteroscopy had a sensitivity of 91.8%, specificity of 76.6%, PPV of 96.0%, NPV of 60.5%, and accuracy of 89.7% for the diagnosis of endometrial disease. In the postmenopausal group, ultrasonography had a sensitivity of 99.0%, specificity of 19.0%, PPV of 96.1%, NPV of 50.0%, and accuracy of 95.3%, whereas hysteroscopy had a sensitivity of 96.7%, specificity of 86.9%, PPV of 99.2%, NPV of 58.8%, and accuracy of 96.2%.ConclusionUltrasonography was found to be an effective method for the diagnosis of endometrial disease, especially among postmenopausal women.© 2018 International Federation of Gynecology and Obstetrics.

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