patterns of tissue necrosis

Question 1

coagulative

Answer 1

• kidneys, heart, spleen, adrenal glands

- protein denaturation, albumin changes to opaque state

Question 2

liquefactive

Answer 2

• neuron and glial cells of brain

- hydrolytic enzymes

Question 3

caseous

Answer 3

• combo of coagulative and liquefactive necrosis

- often enclosed within a distinctive inflammatory border

Question 4

fat necrosis

Answer 4

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

Question 5

fibrinoid

Answer 5

• arteries

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

Question 6

gangrenous necrosis

Answer 6

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