Unit 8 Pancreas Anaomty Part 1

What is the Technical Challenge of the Pancreas?

using neighboring organs to localize

What is the echogenicity of the pancreas?

-isoechoic or slightly hyperechoic to the liver

-renal sinus>pancreas>liver>renal cortex

What can help to aid in visualizing the entire gland?

varying patient positions and ingesting H2O

CT and MRI are used…..

primary modalities due to improved resolution of retroperitoneal structures

We also use ______- with endoscopic US also used to visualize detailed anatomy of the pancreatic area

ERCP

What are the primary tasks of sonographer?

-distinguish normal vs abnormal gland

-image ductal system

-separate inflammation of gland from malignancies

-aid in FNA when lesion found

The head of the pancreas is the……

most inferior portion of the gland

Head of the pancreas is anterior to……

IVC and LRV

Head of the Pancreas is Inferior to…..

caudate lobe and MPV

The Head of the Pancreas is to the right of

portal-splenic confluence

Head of the Pancreas is medial to the…..

duodenum

-lies in the lap of the c-loop

Uncinate Process

small, curved tip at end of pancreatic head

The Uncinate Process is anterior to

IVC

Uncinate Process is posterior to

SMV

What is the arrow pointing to?

Uncinate Process

The neck of the pancreas is found directly anterior to….

portal-splenic confluence or SMV

PV is formed _______ to neck a junction of SV and SMV

posterior

The Neck is often included as

“part of the body”

The body of the pancreas is the…..

largest part of the gland

The body of the pancreas is posterior to the?

stomach

The body of the pancreas is anterior to the?

Aorta, CT, SMA, Lt Renal Vessels, Lt Adrenal Gland, and Lt Kidney

What is usually superior border of the body of the pancreas?

The Splenic Artery

What vessel outlines the inferior and posterior border of the body of the pancreas?

Splenic Vein

The tail of the pancreas is….

more difficult to image

The tail of the pancreas begins

at left lateral border of Aorta and extends toward splenic hilum

The tail of the pancreas lies anterior to the….

Lt Kidney

The tail of the pancreas is posterior to the?

Colon

What vessel is the superior border of the tail of the pancreas?

SA

What vessel is the posterior border of the tail of the pancreas

SV and SMA

What organ is superoanterior to the tail of the pancreas

The Stomach

____ ducts are seen within the pancreas

2

Duct of Wirsung

primary duct, extends entire length of gland

The Duct of Wirsung joins the _______ at the Ampulla of Vater to enter the duodenum

CBD

Duct of Santorini

secondary duct, drains upper anterior head of pancreas

The Duct of Santorini enters the duodenum approximately ______ proximal to the Ampulla of Vater

2 cm

Normal Pancreatic Duct measurement:

<2mm and tapers toward tail

What is the image above showing?

The pancreatic duct

How is the pancreatic duct seen on ultrasound?

As two parallel lines in the center of the pancreas