经直肠SonoCT成像在前列腺占位病变诊断中的应用价值

目的探讨SonoCT超声技术在前列腺占位病变诊断中的临床应用价值。方法应用SonoCT技术对58例前列腺占位病变进行超声检查，记录病变的大小、形态、边界、内部回声等指标，再与普通超声检查相同的病例图像进行对比分析。结果58例前列腺肿块，应用SonoCT技术检测出结节116个（其中结节直径〈0．5cm的48个，0．5～1．0cm的59个，1．0～1．5cm的9个）；普通超声检测出结节79个（其中结节直径〈0．5cm的17个，0．5～1．0cm的53个，1．0cm～1．5cm 9个）；对〈0．5cm的结节的显示率：普通超声21．5％，SonoCT41．4％（P〈0．05）。SonoCT超声图像与普通超声图像比较斑点的影响明显减少，改进了对比分辨力。同时发现前列腺结节的伪像被抑制，并增加了实性结构的内容；实性肿块边界和界面可见度得到改善；较小的恶性病变可被SonoCT检出。结论经直肠SonoCT成像技术明显提高了图像质量，对〈0．5cm的结节的检出率明显提高，增加前列腺占位性病变检出率。

Diagosis Value of Prostate Masses with Transrectal SonoCT Ultrasotmd Imaging

Objective To evaluate the diagosis value of prostate masses with transrectal SonoCT ultrasound imaging.Methods 58 patients with prostate masses were detected using transrectal SonoCT ultrasound imaging and convertional ultrasound.The characteristics of masses were observed, including size,shape,borders,internal echo,etal.Results 116 nodes were detected in 58 patients by SonoCT ultrasound,including 48 of <0.5 cm,59 of(0.5～1.0)cm and 9 of(1.0～1.5)cm,79 nodes were found in entire payients by convertional ultrasound;including 17 of <0.5 cm,53 of(0.5～1.0)cm and 9 of(1.0～1.5)cm,the detected rate of <0.5 cm nodes by transrectal SonoCT ultrasound imaging was significant higher than convertional ultrasound(41.4% vs 21.5%,P<0.05):.Compared with conventional ultrasound,the speckles and artifacts of images were significantly reduced while the contract resolution of images were improved with SonoCT ultrasound imaging.Acoustic shadows of later alboundaries were completely suppressed by SonoCT in prostate masses.Smaller malignant lesions in the prostate would be detected with SonoCT.Conclusions The image quality was significantly improved and the detection rate of prostate masse was increased with transrectal SonoCT ultrasound imaging.