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Obstetrics & Gynecology 1992;79:163-167
© 1992 by The American College of Obstetricians and Gynecologists
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Transvaginal Doppler Ultrasound With Color Flow Imaging in the Diagnosis of Ovarian Cancer

MICHIYASU KAWAI, MD, TAKEO KANO, MD, FUMITAKA KIKKAWA, MD, OSAMU MAEDA, MD, HIDENORI OGUCHI, MD and YUTAKA TOMODA, MD

From the Department of Obstetrics and Gynecology, Nagoya University School of Medicine, Nagoya, Japan

Abstract

Transvaginal Doppler ultrasound with color flow imaging is a new technique for the evaluation of gynecologic diseases. This method was used for the diagnosis of ovarian tumors in 24 women treated in the Department of Obstetrics and Gynecology, Nagoya University Hospital, Japan. Waveforms of the parenchymal tumor arteries or tumor surface arteries were compared using values of the pulsatility index (PI). The value for 1/PI was 0.69 ± 0.05 in benign tumors and 1.87 ± 0.65 in malignant tumors (P <.01). When the cutoff value of 1/PI was set at 0.8 (cutoff value of PI was 1.25), the accuracy of diagnosis was 95.8% (23 of 24). Among 11 tumors with low CA 125 (less than 35 U/mL), all five malignant tumors had high 1/PI (above 0.8), and all benign tumors had low 1/PI (less than 0.8) or nondetectable waveforms. Based on the findings of this study, color flow Doppler proved to be useful for diagnosis of ovarian cancer.




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