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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

66
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
66
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

243
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
243
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

73
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...
73
Computed Tomography01:10

Computed Tomography

6.5K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
6.5K
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

54
Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
54

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Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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[Modern tomography imaging techniques in urological diseases].

Gita M Schoenberg1, Viktoria Schuetz2, Joanne N Nyarangi-Dix2

  • 1Urologische Klinik, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Deutschland. gita.schoenberg@med.uni-heidelberg.de.

Der Urologe. Ausg. A
|March 9, 2022
PubMed
Summary

Computed tomography (CT) and magnetic resonance imaging (MRI) are crucial for urologic imaging. While CT offers speed and availability, MRI provides superior soft tissue detail without radiation, with both modalities increasingly overlapping in applications.

Keywords:
Computed tomographyIndicationsLimitationsMagnetic resonance imagingUrooncologic und non-urooncologic pathologies

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Area of Science:

  • Urology
  • Radiology
  • Oncology

Background:

  • Radiologic imaging is vital for diagnosing, staging, and monitoring urological tumors and other conditions.
  • Computed tomography (CT) is widely used for its speed and cost-effectiveness in emergency and oncological imaging.
  • Limitations of CT include radiation exposure, renal function impact, and contrast allergies, making MRI a valuable alternative.

Purpose of the Study:

  • To summarize the primary uses and limitations of abdominal and pelvic CT and MRI in urology.

Main Methods:

  • Review of current applications of CT and MRI in urological imaging.
  • Comparison of the strengths and weaknesses of CT and MRI for various urological conditions.

Main Results:

  • CT and MRI applications in urology are increasingly converging.
  • Advancements in CT reduce radiation and enhance contrast information.
  • Improvements in MRI enhance its speed and robustness.

Conclusions:

  • Both CT and MRI play significant roles in urological imaging, offering complementary benefits.
  • The choice between CT and MRI depends on specific clinical indications and patient factors.
  • Ongoing technological advancements are expanding the utility and overlap of these imaging modalities in urology.