Common causes of Urine discolouration

Common causes of Urine discolouration

 
Real and Artifact Urine Cast

Real and Artifact Urine Cast

  (A) – Cast Artifact (B) – Real Hyaline Cast  
Urine Microscopic Examination - Yeasts

False urine dipstick results duo to strong oxidizing agent

  This patient had a Urinalysis, the dipstick results were as follow: Glucose – 100 mg/dL Bilirubin – neg Ketone – neg Specific Gravity – 1.010 Blood – ...
Urine Crystals Forms

Urine Crystals Forms

     
Hippuric Acid Crystals

Hippuric Acid Crystals

  Hippuric Acid crystals are rarely seen – yellow-brown or colorless elongated prisms or plates and maybe so thin to resemble needles and they often cluster together it’s ...
Ammonium biurate crystals in Alkaline Urine

Ammonium biurate Crystals

  Appearance: Ammonium biurate crystals are yellowish-brown and can be seen in a “thorn apple” shape (round with thorny projections) or in spherical form. Chemical ...
Causes of False-Positive and False-Negative Urinalysis Results

Causes of False-Positive and False-Negative Urinalysis Results

 
YEAST in urine sediment

YEAST in urine sediment

 
Fatty Cast and Oval Fat Body

Fatty Casts

Fatty casts are identified by the presence of refractile lipid droplets within the protein matrix of the cast. The background matrix of the cast may be hyaline or granular in nature. ...
Urinalysis Elements

Urinalysis Elements

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