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Urinary Tract Calculi I: Introduction

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 Manifestations

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 Management

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 IV: Nutrition Therapy and Prevention

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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 Management

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...

Urinary Tract Calculi VI: Surgical Management

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...

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Updated: Jun 15, 2026

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

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

Published on: February 9, 2021

Calcium oxalate urolithiasis.

Kelly Gisselman¹, Cathy Langston, Douglas Palma

¹Hope Center for Advanced Veterinary Medicine, Vienna, Virginia, USA.

Compendium (Yardley, PA)

|February 25, 2010

Summary

This summary is machine-generated.

Calcium oxalate (CaOx) uroliths are common in pets and humans. Management requires physical removal and prevention through diet changes, as medical dissolution is ineffective.

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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:

Veterinary Medicine
Urology

Background:

Calcium oxalate (CaOx) uroliths are a prevalent urolith type in dogs, cats, and humans.
Numerous factors contribute to CaOx urolith formation, including breed, age, obesity, sex, neutering status, and underlying diseases.

Purpose of the Study:

To review the management and prevention strategies for calcium oxalate uroliths.

Main Methods:

Literature review focusing on risk factors, diagnosis, and treatment of CaOx uroliths.
Analysis of current medical and surgical management approaches.
Evaluation of preventive strategies, including dietary modifications and medication use.

Main Results:

Effective medical dissolution strategies for CaOx uroliths are currently unavailable.
Management primarily involves physical removal via surgical or nonsurgical methods.
Prevention is crucial, particularly for recurrent cases, high-risk breeds, and animals with predisposing conditions.

Conclusions:

Prevention of calcium oxalate uroliths centers on increasing water intake and judicious use or avoidance of specific medications.
A comprehensive approach combining physical removal and targeted prevention is essential for managing CaOx urolithiasis.