Urine sediment cast

The urine sediment examination is one of the contents of urine sediment examination. The cast is a result of the aggregation of proteins in the renal tubules. The appearance of casts in urine is generally evidence of renal parenchymal disease. In the process of formation, if there are cells, the casts are cellular; It is a granular tube type; if it contains fat droplets, it is a fatty tube type.

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