Sonographic morphological pattern in the pre-operative prediction of ovarian masses.
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2003-04-22
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Abstract
The study was undertaken to evaluate the accuracy of sonographic morphological pattern in the detection of ovarian malignancy. A total of 123 patients with a suspicion of ovarian pathology, who were scheduled for elective surgery at the Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University were included in the study. All patients underwent sonographic examination prior to surgery by the same physician. The sonographic morphological pattern of each patient was compared to the histological diagnosis of the ovarian tumors. Of the 120 patients with an ovarian lesion, the sonographic morphological pattern of 10 had a sensitivity of 88.6 per cent and a specificity of 89.4 per cent in detection of malignant ovarian tumors. The positive predictive value, negative predictive value, and the accuracy rate were 77.5, 95.0, and 89.2 per cent, respectively. In the present study, a score of 9 would be the best discriminator between benign and malignant ovarian masses, giving a sensitivity of 97.1 per cent and specificity of 82.4 per cent. As stand alone, the present results confirm that ultrasonography is still a useful diagnostic tool in the differentiation of benign from malignant ovarian masses.
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Chotmaihet Thangphaet.
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Benjapibal M, Sunsaneevitayakul P, Phatihattakorn C, Suphanit I, Iamurairat W. Sonographic morphological pattern in the pre-operative prediction of ovarian masses. Journal of the Medical Association of Thailand. 2003 Apr; 86(4): 332-7