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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 I: Introduction01:28

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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...
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Urinary Tract Calculi VI: Surgical Management01:25

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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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Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

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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,...
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

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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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Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

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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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Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
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Silicate urolithiasis in a paediatric patient.

Rajarajan Pichandi1, Sathish Kumar Motilal Raamya1

  • 1Department of Urology, Velammal Medical College and Research Institute, Madurai, Tamil Nadu, India.

Indian Journal of Urology : IJU : Journal of the Urological Society of India
|May 5, 2017
PubMed
Summary

Silicate urolithiasis, a rare condition in humans, was identified in a pediatric patient in India. Despite percutaneous nephrolithotomy, no clear risk factors for this rare kidney stone type were found.

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Area of Science:

  • Nephrology
  • Urology
  • Mineralogy

Background:

  • Silicate urolithiasis is uncommon in humans, accounting for only 0.2% of all stones.
  • It is more prevalent in herbivorous animals, suggesting dietary or metabolic differences.
  • Understanding human silicate stone formation is crucial for diagnosis and management.

Observation:

  • A pediatric patient in India presented with renal pelvic calculus.
  • The patient underwent percutaneous nephrolithotomy for stone removal.
  • Stone analysis revealed the presence of silicate urolithiasis.

Findings:

  • This case represents a previously unreported instance of silicate urolithiasis in a human pediatric patient in India.
  • Retrospective analysis failed to identify any specific risk factors contributing to silicate stone formation in this individual.
  • The etiology of silicate urolithiasis in this pediatric case remains unclear.

Implications:

  • This case highlights the possibility of silicate urolithiasis in human patients, even in the absence of typical risk factors.
  • Further research is needed to elucidate the pathogenesis of silicate urolithiasis in humans.
  • This finding may prompt re-evaluation of stone analysis protocols and diagnostic approaches for rare stone types.