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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...
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...
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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 I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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...

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Updated: Jun 21, 2026

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
09:31

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

Imaging in percutaneous nephrolithotomy.

Christina Kalogeropoulou1, Panagiotis Kallidonis, Evangelos N Liatsikos

  • 1Department of Radiology, University of Patras, Patras, Greece .

Journal of Endourology
|July 28, 2009
PubMed
Summary

Image guidance is crucial for percutaneous nephrolithotomy (PCNL) and other urologic procedures. Advanced imaging technologies promise to enhance patient care and future interventional urology practices.

Area of Science:

  • Urologic interventions
  • Medical imaging technology
  • Minimally invasive surgery

Background:

  • Image guidance is essential for successful urologic interventions.
  • Percutaneous minimally invasive procedures, like percutaneous nephrolithotomy (PCNL), are increasingly common.
  • PCNL relies heavily on image guidance for effective performance.

Purpose of the Study:

  • To review current and emerging imaging technologies for percutaneous nephrolithotomy (PCNL).
  • To explore advancements in image guidance for interventional urology.
  • To highlight future perspectives in nephrolithotomy suite technology.

Main Methods:

  • Review of existing imaging technologies used in PCNL and interventional urology.
  • Analysis of recent developments in medical imaging, including 3D fluoroscopy, CT, MR fluoroscopy, 4D ultrasonography, and image fusion.

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Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

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In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
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Published on: March 30, 2015

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
03:19

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

  • Discussion of advanced needles and needle guidance systems.

    • Main Results:

    • New imaging tools like 3D fluoroscopy, CT, MR fluoroscopy, 4D ultrasonography, and image fusion offer improved patient care potential.
    • These advanced techniques are currently used or being evaluated for PCNL and other urologic procedures.
    • Advanced needles and guidance systems are shaping the future of nephrolithotomy.

    Conclusions:

    • Technological advancements in medical imaging are significantly impacting urologic interventions.
    • Emerging imaging techniques and tools are expected to enhance the precision and safety of PCNL.
    • The future of interventional urology, particularly PCNL, will benefit from sophisticated image guidance systems.