68 Pathologic pigmentation caused by hematoidin, and bilirubin

Question 1

Hematoidin

Answer 1

• Brownish pigment
• Old haemorrhages

Question 2

Bilirubin

Answer 2

• Bile pigment
• Biliverdin: Oxidised

Question 3

Jaundice/Icterus

Answer 3

• Bilrubin in the tissues
• Staining the tissues yellow : Conjunctiva, sclera, intima of blood vessels
• Bird liver: Green (Biliverdin)

Question 4

Jaundice / icterus –> Staining

Answer 4

Forsgren (Reddish blue)

Question 5

3 types of jaundice/icterus:

Answer 5

Hepatic, , Prehepatic, Posthepatic

Question 6

Posthepatic jaundice

Answer 6

Stagnation/resorption

• Bilirubin 1: Obstruction to the outflow of bile
• Bilirubin 2: in the blood and urine

Question 7

Prehepatic jaundice

Answer 7

Hyperfunctional or haemolytic

• Br-I : in blood
• Intensive haemolysis

Question 8

Hepatic icterus

Answer 8

Toxic or retention

• Bilirubin I & II
• In the urine: Br-II & UBG
• Cell necrosis

Question 9

Example of what could lead to posthepatic icterus

Answer 9

Cholelithiasis