Fatty Casts in urine Microscopy

Fatty Cast in the Microscopy
Fatty casts
Clinical Significance
Fatty cast in urinary sediment is faced in various clinical conditions like the high urinary protein nephrotic syndrome, diabetic or lupus nephropathy or toxic renal poisoning, or larger-scale necrosis or epithelial cell death.
Formation of the fatty cast: It is formed by the breakdown of lipid-rich epithelial cells, these are hyaline casts free globules of fat or oval fat bodies inclusions, yellowish-tan in color.
Stain: Fatty cast has globules of fat, either as triglyceride or neutral fat, that stains with fat stain, or as cholesterol, which will unify as a Maltese cross.
Identification features Presence of refractile lipid droplets within the protein matrix of the cast.
A variety of Crystals and Cast links are provided in the description box.

A variety of Crystals and Cast links are -

Granular casts in Urine under the Microscope @
Granular casts in Urine under the Mic...
Ammonium biurate Crystals in Urine@ Ammonium biurate Crystals in Urine
Urate Crystal in Urine Microscopy at various magnifications@ Urate Crystals or Uric acid Crystals ...
Calcium oxalate crystals in the Urine Microscopy@ Calcium oxalate crystals in the Urine...

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