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Related Concept Videos

Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

587
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...
587
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

452
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...
452
Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

455
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,...
455
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

285
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)...
285
Nephrons01:10

Nephrons

7.3K
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
7.3K
Renal Tubule and Collecting Duct01:24

Renal Tubule and Collecting Duct

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The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
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Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
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The genetic framework for development of nephrolithiasis.

Vinaya Vasudevan1, Patrick Samson1, Arthur D Smith1

  • 1Smith Institute for Urology, Hofstra Northwell School of Medicine, Lake Success, NY, USA.

Asian Journal of Urology
|December 22, 2017
PubMed
Summary
This summary is machine-generated.

Nephrolithiasis affects 1-15% globally. This review explores genetic factors and the role of genetic analysis in managing this common, costly stone disease.

Keywords:
Autosomal dominant polcystic kidney diseaseCalcium sensing receptorCystinuriaGeneticsHypercalciuriaMedullary sponge kidneyNephrolithiasisUric acid nephrolithiasisUrolithiasis

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Area of Science:

  • Urology
  • Genetics
  • Nephrology

Background:

  • Nephrolithiasis (kidney stones) affects 1-15% of the global population.
  • It is a prevalent and expensive condition for urologists to manage.
  • Identifying individuals at risk for kidney stones is currently a significant challenge.

Purpose of the Study:

  • To review current data on the genetic inheritance of kidney stone disease.
  • To investigate the evolving role of genetic analysis in nephrolithiasis management.
  • To explore the utility of genetic counseling for patients with kidney stones.

Main Methods:

  • Literature review of genetic inheritance patterns in nephrolithiasis.
  • Analysis of current research on candidate genes implicated in stone formation.
  • Examination of the application of genetic testing and counseling in clinical practice.

Main Results:

  • While monogenic causes are rare, several candidate genes are linked to kidney stone development.
  • Genetic factors play a role in the inheritance of nephrolithiasis.
  • Genetic analysis offers potential for risk stratification and personalized management.

Conclusions:

  • Understanding the genetic basis of kidney stones is crucial for improving patient outcomes.
  • Genetic analysis and counseling are becoming increasingly important tools in managing nephrolithiasis.
  • Further research is needed to fully elucidate the genetic architecture of stone disease.