urine microscopy

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urine microscopy

• WCC gt 100 x 106/L
• RCC gt 100 x 106/L
• epithelial cells 20 x 106/L

Casts hyaline 10 granular 2 RCC
1 leucocytes 1
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• Hyaline casts
• composed of a mucoprotein (Tamm-Horsfall)
• secreted by tubular cells

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are composed of protein - under low flow
rates, high salt conc low pH, proteins denature
precipitate, especially Tamm-Horsfall
proteins - form at the junction of the Loop of
Henle DCT in a cylinder shape
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