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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)...
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...
Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
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...
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...

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Related Experiment Video

Updated: Jun 28, 2026

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
07:45

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis

Published on: February 9, 2021

IL-6 does not predict current urolithiasis in stone formers.

Jocelyn M Rieder1, Alan A Nisbet, Timothy Lesser

  • 1Department of Urology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California 90027, USA. Jocelyn.M.Rieder@kp.org

Journal of Endourology
|October 22, 2008
PubMed
Summary
This summary is machine-generated.

Urinary interleukin-6 (IL-6) is not a reliable screening marker for current urolithiasis in stone-forming patients. Levels remain elevated regardless of stone presence, indicating it is not a useful diagnostic tool.

Related Experiment Videos

Last Updated: Jun 28, 2026

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
07:45

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis

Published on: February 9, 2021

Area of Science:

  • Nephrology
  • Urology
  • Biochemistry

Background:

  • Interleukin-6 (IL-6), a key inflammatory marker, is elevated in urolithiasis patients.
  • In vitro studies show stone precursors like oxalate stimulate IL-6 production in kidney cells.

Purpose of the Study:

  • To evaluate urinary IL-6 as a potential screening test for active urolithiasis in recurrent stone formers.

Main Methods:

  • 35 adult patients with confirmed urolithiasis were enrolled.
  • Urinary IL-6/creatinine ratio was measured pre-treatment and post-treatment (stone-free).
  • Exclusion criteria targeted diseases known to elevate IL-6.

Main Results:

  • A significant difference in urinary IL-6/creatinine ratio was not observed between pre-operative and post-operative specimens (p=0.38).
  • No correlation was found between pre-operative IL-6/creatinine ratio and stone size (r=0.15).
  • No correlation was found between time from treatment and stone-free IL-6/creatinine ratio (r=0.48).

Conclusions:

  • Urinary IL-6 is not a suitable screening test for detecting current urolithiasis in individuals prone to stone formation.
  • Elevated urinary IL-6 levels persist even after successful stone removal.