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Related Concept Videos

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

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A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
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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)...
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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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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...
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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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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Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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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...
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Reply to Vallée M, Stangl FP, Wagenlehner F et al's Letter to the Editor re: Tikkinen KAO, Najafabadi BT, Hajebrahimi S, et al. A Multicenter Randomized Controlled Trial of Antimicrobial Prophylaxis to Prevent Urinary Tract Infections After Shockwave Lithotripsy for Urolithiasis: The APPEAL Trial. Eur Urol 2025;88(6):543-51.

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Related Experiment Video

Updated: Oct 12, 2025

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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Evidence-based Urology: Trustworthy Guidelines.

Philippe D Violette1, Michael A S Jewett2, Patrick O Richard3

  • 1Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada; Department of Surgery, Woodstock General Hospital, Woodstock, Canada.

European Urology Focus
|November 19, 2021
PubMed
Summary
This summary is machine-generated.

Trustworthy clinical guidelines are crucial for decision-making, especially for small renal masses where active surveillance is becoming standard. Current guidelines vary in rigor and often under-represent patient values.

Keywords:
Active surveillanceGRADEGuidelineQualitySmall renal mass

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Area of Science:

  • Urology
  • Clinical Guideline Development
  • Evidence-Based Medicine

Background:

  • The management of small renal masses is shifting towards active surveillance, necessitating trustworthy clinical guidelines.
  • Existing international guidelines address this shift with varying methodological rigor.
  • Trustworthy guidelines require diverse panels, including content experts, methodologists, front-line clinicians, and patient partners.

Purpose of the Study:

  • To evaluate the methodological rigor and trustworthiness of four international guidelines on small renal mass management.
  • To identify strengths and limitations in current guideline development processes.
  • To provide recommendations for improving future iterations of these guidelines.

Main Methods:

  • Systematic review and critical appraisal of four international guidelines for small renal mass management.
  • Assessment of guideline panels, evidence synthesis, linkage between evidence and recommendations, incorporation of patient values, and conflict of interest management.
  • Analysis of guideline recommendations' implications for clinical decision-making.

Main Results:

  • Guidelines exhibit variability in rigor, particularly concerning evidence assessment and the link between evidence and recommendations.
  • Patient values and preferences are often under-represented in the development and content of these guidelines.
  • Opportunities exist to enhance the trustworthiness of guidelines through improved methodology and patient engagement.

Conclusions:

  • Enhancing the trustworthiness of clinical guidelines for small renal mass management requires robust methodology and explicit integration of patient values.
  • Future guidelines should prioritize systematic evidence summaries, transparent recommendation development, and optimal conflict of interest management.
  • Strengthening guideline development processes will improve clinical decision-making and patient care in urology.