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. 2012 Sep;9(3):139-44.
doi: 10.5812/iranjradiol.8063. Epub 2012 Sep 17.

Diagnostic accuracy of transvaginal sonography in the detection of uterine abnormalities in infertile women

Maryam Niknejadi  1 , Hadieh Haghighi, Firoozeh Ahmadi, Fatemeh Niknejad, Mohammad Chehrazi, Ahmad Vosough, Deena Moenian
Affiliations

Diagnostic accuracy of transvaginal sonography in the detection of uterine abnormalities in infertile women

Maryam Niknejadi et al. Iran J Radiol. 2012 Sep.

Abstract

Background: Accurate diagnosis of uterine abnormalities has become a core part of the fertility work-up. A variety of modalities can be used for the diagnosis of uterine abnormalities.

Objectives: This study was designed to assess the diagnostic accuracy of transvaginal ultrasonography (TVS) in uterine pathologies of infertile patients using hysteroscopy as the gold standard.

Patients and methods: This was a cross-sectional study carried out in the Department of Reproductive Imaging at Royan Institute from October 2007 to October 2008. In this study, the medical documents of 719 infertile women who were investigated with transvaginal ultrasound (TVS) and then hysteroscopy were reviewed. All women underwent hysteroscopy in the same cycle time after TVS. Seventy-six out of 719 patients were excluded from the study and 643 patients were studied. TVS was performed in the follicular phase after cessation of bleeding. Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were calculated for TVS. Hysteroscopy served as the gold standard.

Results: The overall sensitivity, specificity, positive and negative predictive values for TVS in the diagnosis of uterine abnormality was 79%, 82%, 84% and 71%, respectively. The sensitivity and PPV of TVS in detection of polyp were 88.3% and 81.6%, respectively. These indices were 89.2% and 92.5%, respectively for fibroma, 67% and 98.3%, respectively for subseptated uterus and 90.9% and 100%, respectively for septated uterus. Adhesion and unicornuated uterus have the lowest sensitivity with a sensitivity of 35% and PPV of 57.1%.

Conclusion: TVS is a cost-effective and non-invasive method for diagnosis of intrauterine lesions such as polyps, submucosal fibroids and septum. It is a valuable adjunctive to hysteroscopy with high accuracy for identification and characterization of intrauterine abnormalities. This may lead to a more precise surgery plan and performance.

Keywords: Diagnosis; Ultrasonography; Uterus.

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Figures

Figure 1
Figure 1. Percentage of uterine pathologies diagnosed by hysteroscopy
Figure 2
Figure 2. Sensitivity and PPV of TVS in different uterine pathologies during a one-year-study of infertile women
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