Pancreas Flashcards
[location of pancreas]
extends from [..] to the midline to the [..]
2nd duodenal segment
splenic hilum
[location of head]
between [..] and [..]
anterior to [..]
2nd duodenal segment
SMV
IVC
medial extension of pancreas neck
uncinate process
[location of uncinate process]
posterior to [..]
SMV
[location of body]
extends lateral to the [..]
lies between [..] and [..]
neck
posterior antral wall
SMA
[location of tail]
lies posterior to [..]
stomach
parts of pancreas
head
neck
body
tail
T/F pancreas is a retroperitoneal organ
T
nonencapsulated multilobular gland
pancreas
[pancreas blood supply]
SMA
Splenic Artery
Gastroduodenal Artery
[pancreas venous drainage]
splenic vein, SMV
pancreas variable in [3]
size
shape
lie
main pancreatic duct
enlarges toward the head, meets with the CBD
Wirsung’s Duct
accessory pancreatic duct
normal variant, enters duodenum superior to and separate to wirsung’s duct and CBD
Santorini’s Duct
Two Functions of Pancreas
Endocrine Function - insulin
Exocrine Function: pancreatic enzymes (digestion)
general sono appearance of pancreas
midgray homogenous
pancreas sonographic appearance in relation to liver
hyper/isoechoic
vascular landmark of pancreas
inferior to body
splenic vein (anechoic)
vascular landmark of pancreas
inferior to head
IVC
vascular landmark that divides neck and uncinate process
SMV
[PREP] [..] hrs NPO
Why?
8-12 HRS
to ensure GB & Biliary Duct Dilation
[pancreas] patient position
supine
sitting-erect
left lat decub
parts of pancreas visualized at oblique transverse scanning
longit and LA section
parts of pancreas visualized at oblique transverse scanning
longit and LA sections
pancreas survey
transabdominal ant. approach
-longit
-axial
most common cause of acute pancreatitis
alcohol abuse
impacted stone in GB
defining features of acute pancreatitis
a. edema - diffused and hypoechoic parenchyma
b. peripancreatic fluid collections
represents ductal calculi or parenchymal calcifications in pancreas
chronic pancreatitis
defining features of chronic pancreatitis
a. echogenic
b. punctates - white specks
encapsulated distinct wall of granulation tissue and fibrosis
alkaline fluid exude out of pancreas
pancreatic pseudocyst
pancreatic pseudocysts appears when fluid collection stays for [..]
6wks
pancreatitis adenocarcinoma is associated with [..]
smoking, alcoholism, chronic pancreatitis, diabetes Meletus, hx of adeno CA
70% pancreatitis adenocarcinoma occurs in [..]
pancreatic head
