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Related Concept Videos

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)...
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 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...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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 II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...

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Related Experiment Video

Updated: Jul 13, 2026

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy
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Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

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[Off-label use: update and relevance for urology].

S Krege1, D Rohde

  • 1Urologische Universitätsklinik Essen, Germany. susanne.krege@maria-hilf.de

Aktuelle Urologie
|July 25, 2007
PubMed
Summary

Off-label pharmaceutical use, common in oncology, presents challenges due to varying interests and lack of regulation. Controlled off-label drug use is desired but currently lacks legal frameworks.

Area of Science:

  • Pharmacology
  • Oncology
  • Public Health Policy

Background:

  • Off-label pharmaceutical use is prevalent, particularly in oncology, driven by financial constraints and patient safety concerns.
  • The practice is controversial, influenced by pharmaceutical industry marketing, patient needs for rare diseases, and insurance reimbursement policies.
  • Adverse events from off-label drug administration are often not documented in standard drug information.

Purpose of the Study:

  • To explore the complexities and controversies surrounding off-label pharmaceutical use.
  • To highlight the need for regulated off-label drug usage, especially in specialized fields like oncology.
  • To address the gap in legal documentation for off-label drug administration.

Main Methods:

  • Literature review and analysis of current practices in off-label pharmaceutical use.

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Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy
03:25

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Published on: June 16, 2022

  • Examination of ethical, financial, and safety considerations related to off-label drug administration.
  • Analysis of the regulatory landscape and legal frameworks governing pharmaceutical use.
  • Main Results:

    • Over half of cancer therapies involve off-label drug use, indicating a significant reliance on unapproved indications.
    • Pharmaceutical industry evaluations are often business-driven, leading to unmet needs for rare disease treatments via off-label use.
    • Physicians advocate for controlled off-label use by specialists, but no legal regulations currently exist.

    Conclusions:

    • Off-label pharmaceutical use is a complex issue with significant implications for patient safety, healthcare costs, and drug regulation.
    • There is a critical need for clear legal guidelines and controlled frameworks for off-label drug usage, particularly in oncology.
    • Establishing regulations for off-label use is essential to balance therapeutic innovation with patient protection and ensure consistent healthcare standards.