Urine microscopy is an important adjunct ... of cast that can be seen in healthy individuals are hyaline and fine granular casts. They are usually associated with states of dehydration.

microscopic examination of urine sediment reveals cellular and structural elements. Red blood cell (RBC) casts may point to glomerulonephritis, granular casts to acute tubular necrosis (ATN), and ...

The urine sediment scoring system, based on the presence and quantity of granular casts and renal tubular epithelial cells, was highly predictive for a final diagnosis of ATN. For example ...