CASTS (Cylindruria) Flashcards

1
Q

formed in the DCT and collecting

A

Casts

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2
Q

seen primarily in coverslip edges

A

Casts

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3
Q

Casts Reporting:

A

NUMBER PER LPF

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4
Q

Casts Major constituent:

*same as mucus threads

A

UROMODULIN produced by the RTE CELLS

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5
Q

Presence of helps in doctor’s diagnosis

A

Casts

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6
Q

size of cast is dependent on the [?] to where it is formed

A

tubule

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7
Q

Order of Cast Degeneration

A
  1. Hyaline
  2. Cellular
  3. Coarsely granular
  4. Finely granular
  5. Waxy
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8
Q
  • most frequently seen
A

Hyaline

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9
Q
  • no sediments attached or contained
A

Hyaline

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10
Q

Hyaline NV

A

0 to 2 per LPF

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11
Q

Physiologic: stress, exercise, dehydration, heat exposure, emotional stress

A

Hyaline

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12
Q

Pathologic: Acute glomerulonephritis, Pyelonephritis, Chronic Renal Disease, Chronis Heart Failure

A

Hyaline

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13
Q
  • bleeding within the nephron
A

RBC cast

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14
Q

Glomerulonephritis, (associated with protenuria and dysmorphic RBCs)

A

RBC cast

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15
Q

RBC cast Reporting:

A

Number per LPF

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16
Q

: inflammation or inflamation of the kidneys

A

Pyelonephritis

17
Q

: inflammation or inflamation of the glomerulus (w/ RBC casts and WBC casts)

A

Glomerulonephritis

18
Q

*toxicity

A

Renal Tubular Epithelial Cell Cast

19
Q

*viral infection

A

Renal Tubular Epithelial Cell Cast

20
Q

*allograft rejection

A

Renal Tubular Epithelial Cell Cast

21
Q

*Pyelonephritis (with WBC casts)

A

Renal Tubular Epithelial Cell Cast

22
Q

*resembles granular casts

A

Bacterial cast

23
Q

Pyelonephritis ([?] containing bacilli both within and bound to the protein matrix)

A

Bacterial cast

24
Q

*Streneous exercise

A

Granular cast

25
Q

*Toxic tubular necrosis

A

Fatty cast

26
Q

*Diabetis mellitus

A

Fatty cast

27
Q

*Crush injuries

A

Fatty cast

28
Q

*dark pink under supravital stains

A

Waxy cast

29
Q

Stasis of urine flow (extreme)

A

Waxy cast

30
Q

Aka RENAL FAILURE CASTS

A

Broad cast

31
Q
  • All types of casts may occur in the [?] form
A

broad

32
Q

*Most common Broad cast:

A

Waxy and Granular Casts

33
Q

*Bile-stained broad, waxy casts are seen as the result of the tubular necrosis cause by viral hepatitis

A

Broad cast