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Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
Pigments
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Pigments

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  • 1. In the alveolar spaces and in the septa are hemosiderin-laden macrophages.
  • 2. Hemosiderin is golden yellow to brown
  • 3. hepatocytes and Kupffer cells here are full of granular brown deposits of hemosiderin from accumulation of excess iron in the liver
  • 4. bile
  • 5. Lipofuscin
  • 6. Lipofuscin • The pale golden brown finely granular pigment seen here in nearly all hepatocytes is lipchrome (lipofuscin). One such deposit within a hepatocyte is marked by the arrow. This is a "wear and tear" pigment from the accumulation of autophagolysosomes over time. This pigment is of no real pathologic importance.
  • 7. lipofuscin
  • 8. melanin
  • 9. melanin
  • 10. anthracosis
  • 11. Coal dust from inhaled particulates in coal mines is phagocytized by macrophages but not eliminated

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