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Related Concept Videos

Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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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...
127
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

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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...
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Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
17
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

50
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...
50
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...
40
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

35
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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Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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Percutaneous Nephrolithotomy Access: A Meta-Analysis Comparing Access by Urologist vs Radiologist.

Joshua Ghoulian1,2, Alex Nourian1, Zafardjan Dalimov1

  • 1Department of Urology, Einstein Healthcare Network, Philadelphia, Pennsylvania, USA.

Journal of Endourology
|September 22, 2022
PubMed
Summary
This summary is machine-generated.

Urologist-performed percutaneous nephrolithotomy (PCNL) access offers better stone-free rates and fewer major complications. Interventional radiology access may lead to less blood loss, with similar transfusion rates between the two approaches for PCNL.

Keywords:
accessinterventional radiologykidney stonenephrolithiasispercutaneous nephrolithotomyurology

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Area of Science:

  • Nephrology
  • Urology
  • Interventional Radiology

Background:

  • Percutaneous nephrolithotomy (PCNL) is a key procedure for managing large or complex kidney stones.
  • Percutaneous renal access is a critical step in PCNL, achievable by urologists or interventional radiologists.
  • Comparing outcomes between urologist- and interventional radiologist-mediated access is essential for optimizing patient care.

Conclusions:

  • Urologist-acquired access in PCNL may result in superior stone clearance and reduced major complications.
  • Interventional radiologist-mediated access might be associated with less blood loss.
  • Both approaches demonstrate comparable outcomes regarding unusable access, operative time, and minor complications.