三维能量多普勒对前列腺癌分化程度研究

目的 探讨三维能量多普勒在诊断前列腺癌及其分化程度方面的临床价值.方法 回顾性分析经直肠三维能量多普勒检查68个前列腺肿块血流特征,并与病理结果对照分析.结果 前列腺良恶性肿块的血管指数（VI）差异有统计学意义（t=4.654,P=0.000）.以VI＞0.21条/cm^3诊断前列腺癌的灵敏度77.8%、特异度65.2%.高、中、低分化组的前列腺癌肿血管指数分别为0.0975±0.0680、0.1811±0.0977、0.2588±0.0577,组间差异有显著性（P＜0.000）.结论 经直肠三维能量多普勒检查为前列腺癌诊断提供了新的途径和方法,并能协助诊断前列腺癌的分化程度.

Study on differentiation of prostatic carcinoma diagnosed by three-dimensional power Doppler

Objective To evaluate the clinical diagnosing value in the differentiation of prostatic carcinoma by three - dimensional power Doppler. Methods The characteristics of blood flow examined by three - dimensional power Doppler were analyzed retrospectively and compared pathologically in 68 prostatic lesion. Results Vascularity index was significant differences between prostatic benign and malignant lesion （ t = 4. 654, P = 0.000）. Using VI, the sensitivity and specificity were 77.8% and 65.2% respectively in diagnosing prostatic carcinoma. VI in well, moderate, poorly differentiated prostatic carcinoma was 0. 0975 ± 0. 0680,0. 1811 ±0. 0977 and 0. 2588 ±0. 0577, respectively, and there were significant differences among groups （ P 〈 0. 000 ）. Conclusions Three -dimensional power Doppler offers a new way in diagnosis of prostatic carcinoma, and is helpful to the differentiation of prostatic carcinoma.