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The application of CT voiding urethrography in the evaluation of urethral stricture associated with fistula: a preliminary report

  • Urology - Original Paper
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Abstract

Purpose

This study was designed to evaluate the clinical utility of CT voiding urethrography (2D/3D reformatted CT images and virtual cystourethroscopy) in terms of its ability to detect urethral stricture associated with fistula.

Methods

In the study period, 80 patients were found to have signs or symptoms of urine leakage, as detected by voiding CT scanning. 2D/3D reformatted CT images and the virtual cystourethroscopic view were generated by the software. Conventional urethrography and traditional cystourethroscopy were also used prior to operation. The accuracy of these techniques was compared to the actual findings during the operation.

Results

For 58 male patients suffering from urethral strictures associated with fistulas, the detection rate of the fistulas by 2D/3D reformatted CT images was superior to conventional urethrography for characterizing the site of the fistula and the length of the urethral stricture (P < 0.05). The detection rate of the fistula by 3D virtual cystourethroscopy was similar to that by traditional cystourethroscopy (P > 0.05). The duration of the examination was shorter for 3D virtual cystourethroscopy than for traditional cystourethroscopy (P < 0.05). The same results were observed in 22 cases that featured a urethrovaginal fistula.

Conclusion

CT voiding urethrography is a useful technique for the diagnosis of urethral disease, especially in male patients suffering from urethral stricture associated with fistula.

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Abbreviations

CT:

Computed tomography

CU:

Conventional voiding/retrograde urethrography

MDCT:

Multidetector computed tomography

VCUG:

Voiding cystourethrogram

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Acknowledgments

The authors wish to thank the radiology department colleagues for their support and help in the understanding and clinical use of 64-MDCT voiding urethrography for the evaluation of urethral strictures associated with fistulae.

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Authors and Affiliations

  1. Department of Urology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yi Shan Road, Shanghai, 200233, People’s Republic of China

    Xiang-Guo Lv, Xu-Feng Peng, Chao Feng & Yue-Min Xu

  2. Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yi Shan Road, Shanghai, 200233, People’s Republic of China

    Yu-Lan Shen

Authors
  1. Xiang-Guo Lv
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  2. Xu-Feng Peng
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  3. Chao Feng
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  4. Yue-Min Xu
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Corresponding authors

Correspondence to Chao Feng or Yue-Min Xu.

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We declare that we have no conflict of interest.

Additional information

Xiang-Guo Lv and Xu-Feng Peng are first authors.

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Lv, XG., Peng, XF., Feng, C. et al. The application of CT voiding urethrography in the evaluation of urethral stricture associated with fistula: a preliminary report. Int Urol Nephrol 48, 1267–1273 (2016). https://doi.org/10.1007/s11255-016-1286-z

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  • DOI: https://doi.org/10.1007/s11255-016-1286-z

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