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Pathology C topics > 67. Pathologic pigmentation caused by hemoglobin and haemosiderin > Flashcards

67. Pathologic pigmentation caused by hemoglobin and haemosiderin Flashcards

1
Q

Haemolysis →

A

Haemoglobinaemia

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2
Q

Give the causes of haemolysis

A
  • Autointoxication
  • Chemicals
  • Drugs
  • Physical effects
  • Pathogens
  • Plant poisons
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3
Q

Hemosiderin

A

Brown, iron containing , granular pigment that is found within cells ( like macrophage)

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4
Q

Hemosiderin: Histology

A
  • Prussian blue (Perl’s reaction)
  • Turnbulls technique
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5
Q

Forms of hemoglobin

A
  • Sulfhaemoglobin: Greenish → Fades
  • Methaemoglobin : Dark brown (nitrate posioning)
  • Carboxi-haemoglobin: Cherry pink discolouration, clearly visible in the brain

formalin pigment: dark brown

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6
Q
A
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Pathology C topics (24 decks)

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