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Related Concept Videos

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

Urinary Tract Calculi III: Medical Management

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)...
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...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...

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Related Experiment Video

Updated: Jun 27, 2026

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
06:39

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

Published on: November 22, 2019

[Ureteroscopy for upper urinary tract stones].

E Lechevallier1, C Saussine, O Traxer

  • 1Service d'urologie, hôpital La-Conception, 147, boulevard Baille, 13005 Marseille, France. elechevallier@ap-hm.fr

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|November 27, 2008
PubMed
Summary
This summary is machine-generated.

Ureteroscopy (URS) is efficient for large or distal upper urinary tract stones, while extracorporeal lithotripsy (ESWL) is preferred for small proximal ones. URS requires careful technique and has a 65-90% stone-free rate with a 1% risk of ureteral stenosis.

Related Experiment Videos

Last Updated: Jun 27, 2026

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
06:39

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

Published on: November 22, 2019

Area of Science:

  • Urology
  • Endourology
  • Nephrolithiasis Management

Context:

  • Ureteroscopy (URS) indications are determined by upper urinary tract stone characteristics.
  • Extracorporeal lithotripsy (ESWL) is the primary treatment for small proximal ureteral stones.
  • URS is more effective for larger or distally located ureteral stones.

Purpose:

  • To outline the indications, techniques, and outcomes of ureteroscopy for upper urinary tract stones.
  • To compare URS with ESWL in treating ureteral calculi.
  • To highlight critical safety measures and potential complications associated with URS.

Summary:

  • URS is indicated for large or distal ureteral stones, offering higher efficiency than ESWL in these cases.
  • Key considerations for URS include sterile urine, mandatory renal safety wire, and appropriate intracorporeal lithotripsy methods (ballistic or holmium laser).
  • Ureteral drainage is selectively used post-URS, and the procedure achieves a 65-90% stone-free rate with a 1% risk of ureteral stenosis.

Impact:

  • Provides guidance on selecting the optimal treatment modality for upper urinary tract stones based on stone size and location.
  • Emphasizes the importance of safety protocols to minimize morbidity associated with URS.
  • Contributes to understanding the efficacy and risks of URS in clinical practice, informing patient management strategies.