Hepatic Artery

Question 1

Course and relations

Answer 1

1. Runs forwards and to right
2. Reach superior border of duodenum 1st part (common hepatic artery)
3. Ascends in lesser omentum free border where it lies in front of portal vein and to left of common bile duct (proper hepatic artery)
4. Ends at porta hepatis by dividing into right and left terminal branches

Question 2

Branches

Answer 2

1. Right gastric
2. Gastroduodenal
3. Supraduodenal
4. Right and left terminals

Question 3

Right gastric site

Answer 3

1. Arises just above duodenum
2. Runs to left along stomach lesser curvature between 2 layers of lesser omentum
3. End by anastomosing with left gastric artery

Question 4

Right gastric supply

Answer 4

1. Pyloric region
2. Duodenum 1st part

Question 5

Supraduodenal

Answer 5

1. Inconstant branch from hepatic artery or one of its branches
2. Supplies proximal inch of duodenum 1st part

Question 6

Right and left terminals

Answer 6

1. Pass through porta hepatis
2. Supply right and left liver lobes
3. Cystic artery arises from right terminal branch and passes behind common hepatic duct reaching Calot’s triangle and gall bladder

Question 7

Gastroduodenal

Answer 7

Arises just above duodenum and descends behind middle of 1st part where it is related to:
1. Anterior: 2nd inch of duodenum 1st part
2. Posterior: portal vein
3. On right: common bile duct
Not accompanied by vein

Question 8

Gastroduodenal branches

Answer 8

1. Superior pancreatico-duodenal artery
2. Right gastroepiploic artery

Question 9

Superior pancreatico-duodenal artery

Answer 9

Descends in groove between duodenum and pancreas head to anastomose with inferior pancreatico-duodenal artery (from superior mesenteric artery)

Question 10

Right gastroepiploic artery

Answer 10

Runs to left between greater omentum 2 layers along stomach greater curvature to anastomose with left gastroepiploic artery