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Related Concept Videos

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 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...
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living donor...
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 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...
Ureters01:22

Ureters

The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...

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Related Experiment Video

Updated: Jun 28, 2026

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
14:05

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

Published on: December 20, 2014

[One-stage bilateral rigid ureteroscopy].

W Hamida1, A Hidoussi, M Jaidane

  • 1Service d'urologie, CHU Sahloul, 4054 Sousse, Tunisie.

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|November 7, 2008
PubMed
Summary
This summary is machine-generated.

One-stage bilateral rigid ureteroscopy is effective for treating kidney stones in both ureters, with a 92% success rate. Key failure predictors include large stone size, lumbar ureter location, and significant cavity dilation.

Related Experiment Videos

Last Updated: Jun 28, 2026

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
14:05

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

Published on: December 20, 2014

Area of Science:

  • Urology
  • Endourology
  • Nephrolithiasis Management

Context:

  • Bilateral ureteric stones present a treatment challenge.
  • One-stage bilateral rigid ureteroscopy offers a potential solution for simultaneous treatment.
  • Assessing outcomes and failure predictors is crucial for optimizing patient care.

Purpose:

  • To evaluate the efficacy of one-stage bilateral rigid ureteroscopy for bilateral ureteric stones.
  • To identify factors predicting intraoperative failure in this procedure.

Summary:

  • A study of 50 patients with bilateral ureteric stones treated with one-stage bilateral rigid ureteroscopy showed an overall success rate of 92%.
  • Bilateral success was achieved in 70% of cases.
  • Predictive factors for failure included stone diameter (>15 mm), lumbar ureter location, and marked cavity dilatation. Intraoperative and postoperative complication rates were 4% and 16%, respectively, with minor complications.

Impact:

  • One-stage bilateral rigid ureteroscopy demonstrates satisfactory outcomes comparable to unilateral procedures.
  • Understanding failure predictors allows for better patient selection and surgical planning.
  • This approach offers an effective minimally invasive option for managing bilateral ureteric stones.