Two- and 3-dimensional ultrasonography in acute urinary retention due to distal urethral obstruction by infiltrating metastatic colon cancer

Research output: Contribution to journalArticle

Abstract

The management of urethral obstruction depends on its pathogenesis, which can be anatomic or functional. Localization of the site of anatomic urethral obstruction usually requires some invasive procedures.1,2 Ultrasonography has been reported to be a noninvasive method of evaluating voiding disorders originating in the female urethra.3-10 We report the ultrasonographic manifestations of a woman with voiding difficulty and acute urinary retention secondary to infiltrating metastatic rectal cancer. Vaginal ultrasonography with 3-dimensional (3D) scanning and Doppler flow angiography clearly showed obliteration of the distal urethra by an infiltrating tumor. A 3D axial view revealed poorly demarcated echogenic streaks in the normally anechoic portion of the urethra. These imaging results were sufficient to indicate the need for a suprapubic cystostomy to relieve the patient's urinary retention. She was thus spared more invasive diagnostic procedures. We suggest that vaginal ultrasonographic scanning of the lower urinary tract may serve as an initial workup for women with voiding dysfunction.

Original languageEnglish
Pages (from-to)255-259
Number of pages5
JournalJournal of Ultrasound in Medicine
Volume26
Issue number2
Publication statusPublished - Feb 2007
Externally publishedYes

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Urethral Obstruction
Urinary Retention
Urethra
Colonic Neoplasms
Ultrasonography
cancer
Cystostomy
Rectal Neoplasms
Urinary Tract
pathogenesis
Angiography
scanning
angiography
tumors
disorders
Neoplasms

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Acoustics and Ultrasonics
  • Radiological and Ultrasound Technology

Cite this

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abstract = "The management of urethral obstruction depends on its pathogenesis, which can be anatomic or functional. Localization of the site of anatomic urethral obstruction usually requires some invasive procedures.1,2 Ultrasonography has been reported to be a noninvasive method of evaluating voiding disorders originating in the female urethra.3-10 We report the ultrasonographic manifestations of a woman with voiding difficulty and acute urinary retention secondary to infiltrating metastatic rectal cancer. Vaginal ultrasonography with 3-dimensional (3D) scanning and Doppler flow angiography clearly showed obliteration of the distal urethra by an infiltrating tumor. A 3D axial view revealed poorly demarcated echogenic streaks in the normally anechoic portion of the urethra. These imaging results were sufficient to indicate the need for a suprapubic cystostomy to relieve the patient's urinary retention. She was thus spared more invasive diagnostic procedures. We suggest that vaginal ultrasonographic scanning of the lower urinary tract may serve as an initial workup for women with voiding dysfunction.",
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