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Related Concept Videos

Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

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Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
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Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

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A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
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Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

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A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
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Formation of Dilute Urine01:20

Formation of Dilute Urine

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The formation of dilute urine is a critical renal adaptation that maintains fluid balance, particularly during periods of high fluid intake. This process primarily involves the juxtamedullary nephrons. By adjusting the permeability of water and ions in response to physiological conditions, the kidneys can either conserve or excrete water, resulting in concentrated or dilute urine.
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
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Urine: Physical and Chemical Properties01:18

Urine: Physical and Chemical Properties

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Urine comprises approximately 95% water and 5% solutes. The primary ingredient, apart from water, is urea - a byproduct of the breakdown of amino acids. Other notable components include uric acid, a residue from nucleic acid metabolism, and creatinine, a metabolite from creatine phosphate breakdown in skeletal muscle tissue.
The concentration of these solutes varies, with urea being the most abundant nitrogenous waste product. Other solutes include sodium, chloride, potassium, phosphate,...
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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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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Related Experiment Video

Updated: Apr 12, 2026

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
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Turbid white urine.

Manel Vera1, Alejandra Molano1, Patricia Rodríguez2

  • 1Nephrology and Renal Transplantation Service , Hospital Clínic de Barcelona , C/Villarroel 170, 08036- Barcelona , Spain.

NDT Plus
|May 8, 2015
PubMed
Summary

Albinuria, or milky urine, is often caused by filariasis-related chyluria. However, this study presents a rare case of chyluria in a non-endemic region, highlighting unusual causes of milky urine.

Keywords:
albinuriachyluriafilariasislymphatic fistulaturbid white urine

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Area of Science:

  • Nephrology
  • Infectious Diseases
  • Urology

Background:

  • Albinuria, characterized by turbid white urine, is commonly associated with chyluria secondary to filariasis.
  • Non-parasitic causes of albinuria are rare and include excessive mineral excretion, pyuria, fungal infections, and lymphatic malformations.

Observation:

  • A case of albinuria was investigated in a patient residing in a region of Colombia where filariasis is not endemic.
  • The diagnostic workup aimed to identify the underlying cause of the milky urine.

Findings:

  • The patient presented with albinuria, exhibiting symptoms of milky or cloudy urine.
  • Despite the absence of endemic filariasis, the diagnostic process identified an exceptional cause of chyluria.

Implications:

  • This case underscores the importance of considering uncommon etiologies of chyluria, even in geographical areas not typically associated with filariasis.
  • The findings expand the differential diagnosis for albinuria, prompting further investigation into rare parasitic and non-parasitic causes.
  • Recognizing exceptional causes of chyluria is crucial for accurate diagnosis and effective management of albinuria.