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AUBF 2 > AUBF 2 - Urinary Cast > Flashcards

AUBF 2 - Urinary Cast Flashcards

1
Q

Most frequently seen cast in urine

A

Hyaline cast

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2
Q

Stain used for hyaline cast and what resulting color

A

Sternhaimer; Pink

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3
Q

Non-pathologic cause of Hyaline cast

A

Strenous exercise
Heat exposure
Emotional Stress
Dehydration

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4
Q

Pathologic cause of Hyaline cast

A

AGN
Pyelonenephritis
Congenital Heart failure
Chronic renal disease

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5
Q

Sizes of Hyaline cast

A

Parallel sides
Rounded end
Cylindroid

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6
Q

Greater stasis of urine is found

A

RBC cast

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7
Q

Significance of RBC Cast

A

Bleeding within nephrons

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8
Q

Glomerular damage is associated with

A

Dysmorphic RBC
Proteinuria

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9
Q

Under LPO, RBC cast appears

A

Orange-red due to Hgb

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10
Q

Usually seen with neutrophil attached to a cast

A

WBC cast

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11
Q

Non-bacterial inflammation is associated with

A

Acute interstitial nephritis

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12
Q

Bacterial inflammation is asssociated with

A

Pyelonenephritis

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13
Q

Difference between Pyelonenephritis and Cystitis

A

Pyelonenephritis (w/ WBC cast)
Cystitis (none)

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14
Q

Used to differentiate bacterial cast from granular cast

A

Gram stain

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15
Q

Bacterial cast must be with WBC

A

Pure or mixed

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16
Q

Pathologic form of Epithelial cells

A

With RTE cells

17
Q

Clinical signficance of Epithelial cast

A

Advanced tubular obstruction

18
Q

Composed of multiple cells

A

Mixed celullar cast

19
Q

Mixed celullar cast: GN composed

A

WBC and RBC cast

20
Q

Mixed cellular cast: Pyelonephritis consist

A

WBC AND RTE

21
Q

Formed due to celullar degranulation

A

Granular cast

22
Q

Degranulation of granular cast appears like

A

Waxy cast

23
Q

Waxy cast stain

A

Supravital stain: homogenous dark pink

24
Q

Clinical significance of Waxy cast

A

Extreme urine stasis

25
Q

Other term for Broad cast

A

Renal failure cast

26
Q

Clinical significance of Broad cast

A

Widening of tubular walls

27
Q

Fragmented and jagged ends cast

A

Waxy cast

28
Q

Clinical significance of Fatty cast

A

Lipiduria: Fatty cast, Oval fat bodies, Free fat droplets

29
Q

Fatty cast is associated with

A

Nephrotic syndrome
DM
Crush injuries
Toxic tubular necrosis

AUBF 2 (8 decks)

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