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Related Concept Videos

Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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,...

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Advanced imaging in gout.

Gandikota Girish1, Katrina N Glazebrook, Jon A Jacobson

  • 1Department of Radiology, University of Michigan Hospitals, 1500 E Medical Center Dr, TC 2910, Ann Arbor, MI 48109-0326, USA. ggirish@umich.edu

AJR. American Journal of Roentgenology
|August 27, 2013
PubMed
Summary
This summary is machine-generated.

Advanced imaging like ultrasound, CT, and MRI aids in diagnosing gout. Dual-energy CT and ultrasound show urate crystals, while MRI detects soft-tissue and bone abnormalities, aiding gout diagnosis.

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Area of Science:

  • Radiology
  • Rheumatology
  • Medical Imaging

Background:

  • Gout is a common inflammatory arthritis caused by monosodium urate crystal deposition.
  • Accurate diagnosis of gout is crucial for effective management and preventing joint damage.

Purpose of the Study:

  • To outline the utility of advanced imaging modalities in diagnosing gout.
  • To describe the specific roles of ultrasound, CT, and MRI in gout assessment.

Main Methods:

  • Review of current literature on advanced imaging techniques for gout.
  • Analysis of characteristic imaging findings for gout across different modalities.

Main Results:

  • Dual-energy CT offers high sensitivity and specificity for detecting monosodium urate crystals.
  • Ultrasound reveals characteristic findings like crystal deposition, tophi, and erosions.
  • MRI is sensitive for soft-tissue and bone abnormalities but lacks specificity.

Conclusions:

  • Advanced imaging, particularly dual-energy CT and ultrasound, plays a vital role in gout diagnosis.
  • Understanding typical gout locations and imaging features improves diagnostic accuracy.
  • Multimodality imaging approaches can enhance the comprehensive assessment of gout.