Lesson 4 (Part 2)

Question 1

What are 2 arterial systems in the pancreas?

Answer 1

1. Pancreaticoduodenal artery

2. Branches of the splenic artery

Question 2

What does the pancreaticoduodenal artery supply? (2)

Answer 2

1. The head of the pancreas

2. Part of the duodenum

Question 3

What do the branches of the splenic artery supply? (2)

Answer 3

1. Body

2. Tail

Question 4

Where do the branches of the splenic artery course?

Answer 4

On the superior edge tortuous

- before it enters the spleen

Question 5

What are the vein tributaries of the pancreas? (2)

Answer 5

1. SMV

2. SPL V

Question 6

Is the pancreas intra or retroperitoneal?

Answer 6

Retroperitoneum

Question 7

What are the 4 key regions of the pancreas?

Answer 7

1. Head
2. Neck
3. Body
4. Tail

Question 8

What is considered part of the head?

Answer 8

The uncinate process

Question 9

Where is the head of the pancreas located?

Answer 9

More inferior to the body and the tail

Question 10

Where is the neck and body located?

Answer 10

More superficial than the head to the tail

Question 11

Where is the tail located?

Answer 11

More superior direction towards the spleen

Question 12

What is the echogenicity of the pancreas? (compared to the liver)

Answer 12

Usually isoechonic or hyperechonic

Question 13

What happens to the echogenicity of the pancreas as you get older?

Answer 13

It increases

Question 14

What is the echogenicity of the uncinate process?

Answer 14

Hypoechonic to the rest of the pancreas

Question 15

What is the echotexture of the pancreas?

Answer 15

Homogenous

- can have molten appearance

Question 16

Does the pancreas vary in size between different sexes?

Answer 16

No

Question 17

What is the size of the head?

Answer 17

Largest in dimension

Question 18

What is the size of the neck?

Answer 18

Smallest in dimension

Question 19

What is the size of the body/tail?

Answer 19

Slightly smaller than the head

Question 20

What is the contour of the pancreas?

Answer 20

Usually smooth

- occasionally lobulated

Question 21

What are the landmarks of the head (in trans)? (3)

Answer 21

1. Gastroduodenal artery
2. Common bile duct
3. Inferior vena cava

Question 22

How does the GDA help us locate the head?

Answer 22

It is anterior lateral aspect of the head

Question 23

How does the CBD help us locate the head?

Answer 23

It is posterior lateral aspect of the head

Question 24

How does the IVC help up locate the head?

Answer 24

It is posterior to it

Question 25

What is a landmark for the neck and uncinate process? (2)

Answer 25

1. Superior mesenteric vein

2. Splenic confluence

Question 26

How does the SMV help up locate the neck and uncinate process?

Answer 26

It is anterior to it

Question 27

How does the splenic confluence help us locate the neck and uncinate process?

Answer 27

It is posterior to it

Question 28

What are the landmarks for the body of the pancreas? (3)

Answer 28

1. Superior mesenteric artery
2. Portosplenic vein
3. Superior mesenteric vein

Question 29

What is the easiest landmark for the body?

Answer 29

SMA

- directly above it

Question 30

How does the portosplenic vein help up locate the body?

Answer 30

It is medial anterior to it

Question 31

What landmark helps us locate the tail of the pancreas?

Answer 31

The splenic vein

Question 32

How does the splenic vein help us located the tail?

Answer 32

It is posterior to it

- splenic artery is tortuous and travels adjacent to the splenic vein (seen in cross section)