• P Veena, Dasabharathi Baskaran, Dilip Kumar Maurya, N S Kubera, and Jayalakshmi Dorairaj.
• Department of Obstetrics & Gynaecology, Jawaharlal Institute of Postgraduate Medical Education & Research, Puducherry, India.
• Indian J Med Res. 2018 Sep 1; 148 (3): 302-308.

Background & ObjectivesTransvaginal ultrasonography (TVS) is a non-invasive procedure and can be used as a screening tool among women with abnormal uterine bleeding (AUB). Power Doppler is useful in depicting the vascular architecture better than the conventional Doppler. Hence, this study was conducted to evaluate whether addition of power Doppler to grey scale TVS can replace invasive hysteroscopy for the prediction of endometrial pathology in perimenopausal women with AUB.MethodsOne hundred women (>45 yr) with perimenopausal AUB underwent evaluation with TVS, power Doppler and hysteroscopy-guided biopsy after a detailed history and examination. Histopathology was considered as gold standard and other tools such as grey scale TVS with power Doppler and hysteroscopy were compared with it.ResultsFifty six per cent women had no vascularity on power Doppler. Among those who had vascularity, the vascular patterns noted were single-vessel in 18 per cent, scattered-vessel in 15 per cent and multiple-vessel in 11 per cent. The sensitivity, specificity, positive predictive value and negative predictive value of TVS-endometrial thickness with power Doppler in detecting hyperplasia were 50, 86.5, 13.3 and 97.6 per cent, respectively, whereas the same for hysteroscopy were 100, 97.6, 88.1 and 100 per cent, respectively.Interpretation & ConclusionsAddition of power Doppler to grey scale TVS improved the specificity and negative predictive value almost comparable to hysteroscopy for evaluation of AUB, but sensitivity and positive predictive value remained poor.

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