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- W2034409691 abstract "Transvaginal color Doppler was used to analyze a group of 19 healthy, 48 infertile and 8 postmenopausal women; 67 patients with uterine and 151 patients with adnexal masses, and 19 patients with a suspected ectopic pregnancy. The ultrasonographer had not been informed of other clinical findings and indications for operative treatment. A 5 MHz transvaginal color Doppler probe was used to visualize the pelvic anatomy and blood flow. Each arterial blood flow velocity was classified into either of two types. In the normal flow pattern, the diastolic flow component was absent or small and the value of resistance index (RI) was greater than 0.50. In the abnormal flow pattern, a large diastolic flow component was evident and the value of RI was less than 0.50. Transvaginal color and pulsed Doppler studies in confirmed malignant uterine masses had moderate accuracy (90.2%), with a sensitivity (55.6%) and specificity (100%); and in confirmed malignant adnexal masses high accuracy (100%), sensitivity (100%) and specificity (100%). Comparison of blood flow characteristics within benign and malignant tumor tissue revealed less impedance and higher velocity in cases of malignancy. Blood flow studies in both uterine arterias have not shown clinically important values. This method can be also used in the diagnosis of ectopic pregnancy." @default.
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- W2034409691 date "1990-01-01" @default.
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- W2034409691 title "The assessment of abnormal pelvic blood flow by transvaginal color and pulsed Doppler" @default.
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- W2034409691 doi "https://doi.org/10.1016/0301-5629(90)90165-9" @default.
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