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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...
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
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 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 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...

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Related Experiment Video

Updated: May 31, 2026

Standardization of Basket Use in Sialendoscopy: A Ten-Year Retrospective Study
09:36

Standardization of Basket Use in Sialendoscopy: A Ten-Year Retrospective Study

Published on: June 6, 2025

Etiologic factors in sialolithiasis.

Kevin C Huoh1, David W Eisele

  • 1Department of Otolaryngology-Head and Neck Surgery, University of California, San Francisco, CA 94115, USA. khuoh@ohns.ucsf.edu

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|July 15, 2011
PubMed
Summary

This study investigated causes of sialolithiasis (salivary stones), finding higher rates of smoking and diuretic use in affected patients compared to the general population. Further research is needed to confirm these associations.

Related Experiment Videos

Last Updated: May 31, 2026

Standardization of Basket Use in Sialendoscopy: A Ten-Year Retrospective Study
09:36

Standardization of Basket Use in Sialendoscopy: A Ten-Year Retrospective Study

Published on: June 6, 2025

Area of Science:

  • Otolaryngology
  • Oral and Maxillofacial Surgery
  • Epidemiology

Background:

  • Sialolithiasis, or salivary stones, is an uncommon condition with an unclear etiology.
  • Understanding potential risk factors is crucial for diagnosis and management.

Purpose of the Study:

  • To investigate potential etiologic factors for sialolithiasis in a United States patient population.
  • To quantify the prevalence of smoking and diuretic therapy in patients with sialolithiasis.

Main Methods:

  • Retrospective cohort study of 153 patients diagnosed with sialolithiasis between 2001 and 2010.
  • Data collected included demographics, smoking history, comorbidities, and medications.
  • Comparison with population prevalences obtained through literature review.

Main Results:

  • Submandibular sialolithiasis (82%) was more common than parotid (18%).
  • Smoking history was present in 44% of patients, a higher rate than the general population, though not statistically significant.
  • Diuretic usage was 20% in the cohort, significantly higher than the general population rate of 8.7%.

Conclusions:

  • Sialolithiasis etiology remains unclear, but smoking and diuretic use may be associated factors.
  • This study provides initial data on the prevalence of these factors in sialolithiasis patients.
  • Further investigation is warranted to establish causal links.