Clinical usefulness of 3-dimensional sonography and power Doppler angiography for diagnosis of endometrial carcinoma.

Abstract

OBJECTIVE The purpose of this study was to assess whether endometrial volume (EV) and 3-dimensional (3D) power Doppler indices can discriminate between hyperplasia and endometrial carcinoma and can predict extension of the endometrial carcinoma. METHODS Eighty-four women with uterine bleeding and a histopathologic diagnosis of endometrial hyperplasia (n = 29) or carcinoma (n = 55) were preoperatively examined by transvaginal 3D sonography and power Doppler angiography. Endometrial thickness (ET), EV, the vascularization index (VI), the flow index (FI), the vascularization-flow index (VFI), and the intratumoral resistive index (RI) were measured. A histopathologic diagnosis was made after endometrial biopsy was performed by hysteroscopy or curettage. RESULTS The EV and 3D power Doppler indices (VI, FI, and VFI) were significantly higher in endometrial carcinoma than endometrial hyperplasia, whereas the intratumoral RI was significantly lower (P < .05). A VFI of 2.07 was the best cutoff for predicting endometrial carcinoma, with sensitivity of 76.5% and specificity of 80.8%. No significant differences were noticed for ET. The endometrial VI was significantly higher when the tumor stage was greater than I. All the 3D power Doppler indices were significantly higher when the carcinoma infiltrated more than 50% of the myometrium. The intratumoral RI was significantly lower in cases with a high histologic grade, myometrial infiltration of more than 50%, and lymph node metastases. CONCLUSIONS The VI, 3D power Doppler indices, and the intratumoral RI are more useful than ET for differentiating between hyperplasia and endometrial carcinoma. Intratumoral blood flow evaluated by pulsed Doppler sonography and 3D power Doppler angiography can predict the spread of endometrial carcinoma.

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@article{Merce2007ClinicalUO, title={Clinical usefulness of 3-dimensional sonography and power Doppler angiography for diagnosis of endometrial carcinoma.}, author={Luis Tadeo Merce and Juan Luis Alc{\'a}zar and Carmen L{\'o}pez and Enrique Mantilla Iglesias and Santiago Bau and Juan Alvarez de los Heros and Jos{\'e} M Bajo}, journal={Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine}, year={2007}, volume={26 10}, pages={1279-87} }