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Related Concept Videos

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 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 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...
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 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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Updated: Jun 2, 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

[Calcium oxalate urolithiasis].

Michel Daudon1, Bertrand Knebelmann

  • 1Laboratoire Cristal, service de biochimie A, hôpital Necker-Enfants malades, AP-HP, 75743 Paris Cedex 15. michel.daudon@nck.aphp.fr

La Revue Du Praticien
|May 14, 2011
PubMed
Summary
This summary is machine-generated.

Calcium oxalate nephrolithiasis is a common kidney stone form. Identifying dietary and genetic factors is key for preventing recurrence and renal failure.

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Methods for Analyzing the Impacts of Natural Uranium on In Vitro Osteoclastogenesis
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Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
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Area of Science:

  • Nephrology
  • Urology
  • Biochemistry

Context:

  • Calcium oxalate stones are the predominant form of nephrolithiasis globally.
  • Diagnosis of underlying genetic or acquired diseases is crucial for effective treatment and preventing stone recurrence.
  • Susceptibility to calcium oxalate nephrolithiasis is often linked to inherited traits interacting with dietary habits and low diuresis.

Purpose:

  • To highlight the importance of diagnosing underlying causes of calcium oxalate nephrolithiasis.
  • To emphasize the need for identifying biological factors contributing to crystallization risk in common cases.
  • To guide preventive strategies focusing on diet and diuresis, limiting drug use.

Summary:

  • Calcium oxalate nephrolithiasis is the leading cause of kidney stones worldwide.
  • While rare genetic/acquired diseases necessitate diagnosis, common cases involve dietary factors and low diuresis in susceptible individuals.
  • Preventive measures should focus on identifying individual crystallization risks and modifying diet/diuresis, reserving medication for refractory cases.

Impact:

  • Facilitates targeted diagnosis and treatment for various forms of calcium oxalate nephrolithiasis.
  • Enables personalized preventive strategies for common stone formers, reducing recurrence and risk of renal failure.
  • Promotes a guideline for appropriate use of medical interventions, prioritizing lifestyle modifications.