Liver Anatomy

Question 1

Where are the 3 sites of anastomoses in liver cirrhosis?

Answer 1

Esophagus, Umbilicus, Rectum

Varices of gut, butt, and caput (medusae)

Question 2

From the 3 sites of anastomoses in liver cirrhosis they will become?

Answer 2

Esophageal varices, Caput medusae, Anorectal varices

Question 3

Left gastric is from? Where does it back flow to?

Answer 3

Esophagus=>esophageal veins=>esophageal varices

Question 4

Paraumbilical is from? Where does it back flow to?

Answer 4

Paraumbilical => small epigastric veins of the anterior abdominal wall.

Question 5

Anorectal varices are due to?

Answer 5

Superior rectal =>middle and inferior rectal

Question 6

Tx for Portal HTN?

Answer 6

transjugular intrahepatic portosystemic shunt (TIPS)  between the portal vein and hepatic vein

Question 7

Which artery is closest to Zone I?

Answer 7

Hepatic Artery/Portal Vein

Question 8

Which artery is closest to Zone III?

Answer 8

Central Vein

Question 9

Zone I what are two things that affect this site?

Answer 9

Zone I
Ist by viral hepatitis
Ingested toxins (e.g., cocaine)

Question 10

Zone LL what affects?

Answer 10

yeLLow Fever

Question 11

Zone III what affects?

Answer 11

CENTral vein
Cytochrome P-450 system
ETOH Hepatitis
No Blood (ischemia)
Toxins (metabolic toxins)