Unit 8 Pancreas Anatomy Part 2

Pancreas Average Length

15 cm

Range is 12-18 cm

Pancreas Head AP Measurement:

2-3 cm

thickest part of the gland

Pancreas Neck AP Measurement:

1.5-2.5 cm

Pancreas Body AP Measurement:

2-2.5 cm

Pancreas Tail AP Measurement:

1-2 cm

Gland appears larger or thicker in

children

The pancreas ________ in size with age

decreases

What arteries supply the Pancreas

-splenic artery branches

-pancreaticoduodenal artery (GDA branch)

What veins drain the pancreas

-splenic vein

-SMV

The CT is _____ to the Pancreas

superior

The Splenic Artery is the ______ of the body and tail

superior border

Common Hepatic Artery is ___________ of body and head

right superior border

The GDA is the _________ of the head

anterolateral border

The SMA is ______ to pancreatic body

posterior to inferior

The portal vein is ________ to pancreatic neck

posterior

The splenic vein is ________ to the pancreas

posteromedial

The SMV is ________ to the neck; _______ to the Uncinate Process

posterior; anterior

What is posterior to the pancreas?

IVC, Aorta, SMA, SMV, SV, PV, and CBD

What is superior to the pancreas?

Splenic Artery and Stomach (ant)

What lies in contact with the tail?

The Splenic Hilum

The CBD is _______ and _______ in the Head of Pancreas

inferior and posterior

The CBD joins the _________ to close to Ampulla of Vater

Pancreatic Duct

Congenital Anomalies are _____ in the pancreas

uncommon

The pancreas is known as

agenesis

-of body and tail

-hypertrophy of pancreatic head

What is Agenesis?

Part of the organ that didn’t form

Pancreatic dicisum

-lack of fusion of pancreatic buds

-drainage into pancreatic ducts is affected

-US diagnosis is challenging

Ectopic Pancreatic Tissue

-most common anomaly

-small intramural nodules (in the wall)

What are the frequent sites of ectopic pancreatic tissue

-stomach

-duodenum

-small bowel

-colon

Ectopic Pancreatic Tissue is composed of…..

elements of pancreas

-acinar and ductal structures

-acute pancreatitis or tumor may occur within them

Annular Pancreas

-rare

-head of pancreas surround 2nd portion of duodenum

-males>females

-may cause complete or partial atresia of duodenum

Pancreatic Shapes:

-tadpole

-dumbbell

-sausage

-comma

What

What shape is this?

Tadpole

What shape is this?

dumbbell

What shape is this?

Sausage

What shape is this?

comma

What is this?

Annular Process