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中华腔镜泌尿外科杂志(电子版) ›› 2020, Vol. 14 ›› Issue (02) : 100 -105. doi: 10.3877/cma.j.issn.1674-3253.2020.02.006

所属专题: 文献

临床研究

640层CT动态容积排泄性膀胱尿道造影术对前列腺增生梗阻的研究
李松1, 吴杰英2,(), 苏云杉3, 毛崇文3, 蔡潜1   
  1. 1. 650021 云南省第二人民医院泌尿外科
    2. 510630 广州,中山大学附属第三医院泌尿科
    3. 650021 云南省第二人民医院放射科
  • 收稿日期:2019-03-23 出版日期:2020-04-01
  • 通信作者: 吴杰英
  • 基金资助:
    云南省科技厅昆明医科大学联合专项课题(2011FB229); 广东省医学科学技术研究基金项目(A2018079); 广东省自然科学基金项目(2018A030313261)

The study of 640-slice CT voiding urography of posterior urethra in the diagnosis of bladder outlet obstruction caused by benign prostatic hyperplasia

Song Li1, Jieying Wu2,(), Yunshan Su3, Chongwen Mao3, Qian Cai1   

  1. 1. Department of Urology, the Second People's Hospital of Yunnan Province, Kunming 650021, China
    2. Department of Urology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
    3. Department of Radiology, the Second People's Hospital of Yunnan Province, Kunming 650021, China
  • Received:2019-03-23 Published:2020-04-01
  • Corresponding author: Jieying Wu
  • About author:
    Correspongding author: Wu Jieying, Email:
引用本文:

李松, 吴杰英, 苏云杉, 毛崇文, 蔡潜. 640层CT动态容积排泄性膀胱尿道造影术对前列腺增生梗阻的研究[J/OL]. 中华腔镜泌尿外科杂志(电子版), 2020, 14(02): 100-105.

Song Li, Jieying Wu, Yunshan Su, Chongwen Mao, Qian Cai. The study of 640-slice CT voiding urography of posterior urethra in the diagnosis of bladder outlet obstruction caused by benign prostatic hyperplasia[J/OL]. Chinese Journal of Endourology(Electronic Edition), 2020, 14(02): 100-105.

目的

探讨640层CT动态容积排泄性膀胱尿道造影对前列腺增生(BPH)继发膀胱出口梗阻(BOO)的诊断价值。

方法

回顾分析2013年12月至2018年12月云南省第二人民医院就诊并接受CT排泄性膀胱尿道造影扫描的男性患者资料,经临床诊断为BPH继发膀胱出口梗阻BOO的患者60例,临床检查无膀胱出口梗阻的34例受检者作为对照组。所有数据导入minics生成三维图像,选取排尿期间尿道体积及截面最大一组图像进行测量。数据采用ROC曲线下面积分析和Logistic回归多变量分析。

结果

Logistic回归多变量分析结果显示前列腺后叶厚度及尿道长度的改变是诊断前列腺增生导致梗阻的独立、有效指标。ROC曲线分析提示前列腺后叶厚度、尿道长度ROC曲线下面积分别为:0.984、0.961,诊断前列腺增生导致梗阻的敏感性分别为100%,93.1%,特异性分别为86.7%,93.3%。

结论

640层CT动态容积排泄性膀胱尿道造影可以获得BPH患者在排尿过程中膀胱及后尿道全程影像数据,具有无创、清晰及可以任意方位重组观察等优点,能量化及直观判断BPH导致BOO引起的后尿道的形态改变。

Objective

To investigate the value of 640-slice dynamic computed tomography voiding urography(DVCT VUPU) of posterior urethra in the diagnosis of bladder outflow obstruction (BOO) caused by benign prostatic hyperplasia(BPH).

Methods

The data of 60 patients with clinically diagnosed BOO due to BPH and 34 cases without BOO as control group from December 2013 to December 2018 were analyzed retrospectively. All cases underwent DVCT-VUPU in the same period. The data of all phases were imported into minics. The 3D images of the lower urinary tract with the largest volume were marked. The influence was analyzed by logistic regression and receiver operating characteristic(ROC) curve.

Result

The urethra length and dimension of posterior lobe of prostate gland was independent and valid index for diagnosis of BOO due to BPH. The area under curve(AUC) of dimension of posterior lobe of prostate gland, urethra length was 0.984, 0.961, respectively, The susceptibility to diagnosis of BOO due to BPH was 100% and 93.1%, and the specificity was 86.7% and 93.3%, respectively.

Conclusion

640-slice DVCT voiding urography could display the whole urethra and bladder during the voiding scanning in patients with BPH, which showed advantages including non-invasive, clear images and images could be observed in any direction during the voiding scanning. It provided a technique to make quantitative and comprehensive diagnosis of BOO secondary to BPH.

图3 后尿道曲线长度A及其直线长度B
表1 膀胱出口梗阻患者与无梗阻患者的检查结果及ROC曲线下面积比较(±s
表2 Logistic回归多变量分析结果
图4 前列腺增生、尿道狭窄及正常人后尿道三维图像
图5 正常人排尿时尿道变化
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