patterns of tissue necrosis Flashcards

1
Q

coagulative

A
  • kidneys, heart, spleen, adrenal glands

- protein denaturation, albumin changes to opaque state

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2
Q

liquefactive

A
  • neuron and glial cells of brain

- hydrolytic enzymes

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3
Q

caseous

A
  • combo of coagulative and liquefactive necrosis

- often enclosed within a distinctive inflammatory border

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4
Q

fat necrosis

A
  • pancreas, breast, other abdominal organs
  • action of lipases
  • FFA + calcium
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5
Q

fibrinoid

A
  • arteries

- complexes of antigens and antibodies are deposited in the walls of arteries

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6
Q

gangrenous necrosis

A
  • usually a result of hypoxia
  • limbs, not organs
  • dry
    • insufficient blood
    • coagulative
    • dry
    • crusty
    • black
  • wet
    • infection
    • liquefactive
    • cold, swollen, black
    • foul odor (pus)
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