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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
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Imaging of Urinary System Trauma.

Joel A Gross1, Bruce E Lehnert1, Ken F Linnau1

  • 1Department of Radiology, Harborview Medical Center, University of Washington School of Medicine, Box 359728, 325 Ninth Avenue, Seattle, WA 98104-2499, USA.

Radiologic Clinics of North America
|June 6, 2015
PubMed
Summary

Computed tomography (CT) imaging of the kidney, ureter, and bladder aids in diagnosing traumatic injuries quickly and accurately. This method allows for real-time adjustments, reducing patient scan time and radiation exposure.

Keywords:
Bladder traumaCT cystogramCT urinomaGenitourinary traumaKidney traumaRenal traumaUreter traumaUrinary tract trauma

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Area of Science:

  • Radiology
  • Trauma Imaging
  • Urologic Imaging

Background:

  • Traumatic injuries to the kidney, ureter, and bladder require prompt diagnosis.
  • Traditional imaging methods may involve patient movement and longer scan times.

Purpose of the Study:

  • To evaluate the utility of computed tomography (CT) for diagnosing traumatic injuries of the kidney, ureter, and bladder.
  • To explore methods for optimizing CT imaging to reduce radiation dose and scan time.

Main Methods:

  • Utilized computed tomography (CT) for imaging the kidney, ureter, and bladder in trauma patients.
  • Implemented real-time image review for selective delayed imaging.
  • Modified imaging parameters, including thicker slices and noisier images, to detect contrast extravasation while reducing radiation dose.

Main Results:

  • CT imaging enables accurate and prompt diagnosis or exclusion of traumatic genitourinary injuries.
  • Real-time review allows for selective delayed imaging, decreasing scanner time and radiation dose.
  • Modified imaging techniques effectively detect contrast extravasation with reduced radiation exposure.

Conclusions:

  • Computed tomography (CT) is a valuable tool for assessing traumatic kidney, ureter, and bladder injuries.
  • Optimized CT protocols enhance diagnostic accuracy while minimizing patient radiation dose and scan duration.
  • The study discusses the American Association for the Surgery of Trauma grading system and associated challenges.