CASTS (Cylindruria) Flashcards
formed in the DCT and collecting
Casts
seen primarily in coverslip edges
Casts
Casts Reporting:
NUMBER PER LPF
Casts Major constituent:
*same as mucus threads
UROMODULIN produced by the RTE CELLS
Presence of helps in doctor’s diagnosis
Casts
size of cast is dependent on the [?] to where it is formed
tubule
Order of Cast Degeneration
- Hyaline
- Cellular
- Coarsely granular
- Finely granular
- Waxy
- most frequently seen
Hyaline
- no sediments attached or contained
Hyaline
Hyaline NV
0 to 2 per LPF
Physiologic: stress, exercise, dehydration, heat exposure, emotional stress
Hyaline
Pathologic: Acute glomerulonephritis, Pyelonephritis, Chronic Renal Disease, Chronis Heart Failure
Hyaline
- bleeding within the nephron
RBC cast
Glomerulonephritis, (associated with protenuria and dysmorphic RBCs)
RBC cast
RBC cast Reporting:
Number per LPF
: inflammation or inflamation of the kidneys
Pyelonephritis
: inflammation or inflamation of the glomerulus (w/ RBC casts and WBC casts)
Glomerulonephritis
*toxicity
Renal Tubular Epithelial Cell Cast
*viral infection
Renal Tubular Epithelial Cell Cast
*allograft rejection
Renal Tubular Epithelial Cell Cast
*Pyelonephritis (with WBC casts)
Renal Tubular Epithelial Cell Cast
*resembles granular casts
Bacterial cast
Pyelonephritis ([?] containing bacilli both within and bound to the protein matrix)
Bacterial cast
*Streneous exercise
Granular cast