Pancreas
Pancreatic cancer is the ___th leading cause of death from cancer in the US.
4
Clinical findings of this condition includes fever, chills, pain, tenderness, and elevated white blood cell count.
Pancreatic abscess
One of the most frequent complications of pancreatitis is pseudocyst formation. Uncomplicated pseudocyst are usually: a. anechoic with smooth walls and good ultrasound transmission distally b. echogenic with smooth walls and poor ultrasound transmission distally c. echogenic with irregular walls and good ultrasound transmission distally
a
The most common cause of pancreatitis in female adults in the US is: a. biliary tract disease b. alcohol abuse c. trauma
a
Usually aspiration is necessary with pancreatic _____________.
abscesses
Clinical findings include: epigastric pain which may radiate to back, epigastric tenderness, nausea, vomiting, and fever
acute pancreatitis
Pancreatic abscess are related to the severity of __________________.
acute pancreatitis
Most common malignant tumor of the pancreas
adenocarcinoma
Malignant tumors of the pancreas
adenocarcinoma, cystadenocarcinoma
Solid benign mass
adenoma
What are the benign tumors of the pancreas?
adenoma, cystadenoma
Most common cause of acute pancreatitis in MEN
alcohol abuse
With acute pancreatitis, which lab result will increase first, lipase or amylase?
amylase
With pancreatic pseudocysts, which lab results usually elevate?
amylase
Variant of the pancreas in which the pancreas may completely surround descending duodenum with constriction or even obstruction of duodenum.
annular pancreas
The stomach is _____________ to the body and tail of the pancreas.
anterior
Pseudocysts most commonly specifically occur where on the pancreas?
anterior to tail
Chronic pancreatitis is most often caused by: a. cholelithiasis b. ETOH abuse c. trauma d. choledocholelithiasis
b
The most frequent benign tumor of the pancreas is a. adenoma b. islet cell tumor c. cystadenoma
b
3 types of Islets of langerhans cells
beta, alpha, delta
Islets of Langerhans cells secrete products into
bloodstream
Insulinomas are usually found in the _________________ of the pancreas.
body and tail
The splenic artery supplies ___________________ of the pancreas
body and tail
Cystadenocarcinoma typically is located within the _______ & _______ of pancreas.
body, tail
Cystadenomas in the pancreas are usually found in the _________ & _______ of the pancreas.
body, tail
Mucinous cystadenocarcinoma of the pancreas are most often located within which part of the pancreas? a. uncinate process andneck b. head and neck c. body and tail d. funds and neck
c
What is the relationship of the splenic vein to the pancreas? a. superior b. anteromedial c. posterior and caudal d. inferior and anterior e. ventral
c
Which of the following is the most common islet cell tumor? a. granuloma b. gastrinoma c. insulinoma d. cystadenoma
c
Lymph nodes can mimic
cancer
Amylase digests
carbohydrates
Progressive irreversible destruction of the pancreas
chronic pancreatitis
Sonographic appearance of this condition includes an irregular lobulated outline, dilated ducts, and calcifications of the pancreas.
chronic pancreatitis
Cystadenocarcinoma is mostly _________
cystic
Genetic disease that is characterized by an increased secretion of sticky mucous
cystic fibrosis
All of the following are clinical findings associated with pancreatic adenocarcinoma EXCEPT: a. epigastric pain b. weight loss c. jaundice d. decreased amylase and lipase
d
The lab results of a hemorrhagic pancreas will show
decreased hematocrit
A person suffering from chronic pancreatitis will have a pancreas that is _____________ in size and ___________ in echogenicity.
decreased; increased
Acinar secrete products into
digestive system
With carcinoma, the CBD and pancreatic duct may be
dilated/obstructed
Adenocarcinoma can commonly invade _______ and __________ system.
duodenum; lymphatic
The ____crine function of the pancreas secretes hormones
endo
Islet of Langerhans cells are part of which function of the pancreas?
endocrine
2 functions of pancreas
endocrine, exocrine
Regions in which the pancreas is located
epigastric and left hypochondrium
The _________crine function of the pancreas allows it to secrete enzymes
exo
Acinar cells are part of which function of the pancreas?
exocrine
Lipase digests
fat
Why does the echogenicity of the pancreas increase with age?
fat infiltration
2nd most common islet cell tumor
gastrinoma
Symptoms of this are due to excessive gastrin secretion: peptic ulcer disease, secretory diarrhea.
gastrinoma
alpha cells produce
glucagon
80% of pancreatic carcinoma cases are located in the _______ of the pancreas.
head
Acute pancreatitis may be focal or diffuse. Most common location for focal pancreatitis to occur is
head
Adenocarcinoma commonly affects which part of the pancreas?
head
Most malignancies of the pancreas arise in the
head
The duodenum loops around ___________ of pancreas.
head
The gastroduodenal artery (GDA) supplies ___________ of the pancreas.
head
The superior mesenteric artery supplies ____________ of the pancreas.
head
True cysts are commonly found in __________ & __________ of the pancreas
head and body
Inflammation and bleeding of pancreas which can occur as a sudden diffuse, enzymatic destruction of the pancreas cause by enzyme escape into parenchyma
hemorrhagic pancreas
With acute pancreatitis, the pancreas is ______________ in size, and will have ____________ echogenicity.
increased; decreased
The transverse colon is _________ to the pancreas.
inferior
Beta cells produce
insulin
Most common benign tumor of the pancreas (specific)
insulinoma
Tumor of the pancreas that produces excessive amounts of insulin
insulinoma
The pancreatic tail is a (n) _____________peritoneal.
intra
More than 90% of pancreatic cancers appear in the _______ stage of the disease.
later
The spleen is _________ to the tail of the pancreas.
lateral
The echogenicity of the pancreas in a younger person is ________________ than an older person.
less
Pancreatic pseudocysts are commonly found in the
lesser sac
The pancreas secretes juice that contains 3 classes of digestive enzymes. These classes of enzymes include:
lipase, amylase, typsin
Causes of chronic pancreatitis include
long term alcohol abuse, biliary disease, and recurring acute pancreatitis
Most gastronomes are _____________-
malignant
Is the pancreas encapsulated?
no
Those diagnosed with cystic fibrosis are at risk for
obstruction of ducts
Biliary tract disease, alcohol abuse, trauma, perforated peptic ulcer are causes of acute pancreatitis which usually affects __________ people.
older
A _________________________ encloses active inflammation
pancreatic pseudocyst
Inflammation of the pancreas
pancreatitis
The pancreas lies ______________ to the stomach
posterior
The splenic vein is ____________ to the pancreas
posterior
The uncinate process is ___________ to the mesenteric vessels.
posterior
The duct of Wirsung is known as
primary duct
Which pancreatic duct joins with the CBD?
primary duct
Typsin, chymotrypsin, and caboxypeptidase digests
proteins
A splenic artery aneurysm can simulate
pseudocyst
Complications of chronic pancreatitis includes
pseudocyst, thrombosis of surrounding veins
Acute pancreatitis may clear completely or recur. Some complications include
pseudocysts, abscesses, and cbd obstruction
The pancreas is a ________peritoneal organ except for the tail
retro
The duct of Santorini is known as
secondary or accessory pancreatic duct
Cystadenocarcinoma is rare and grows _______.
slowly
The secondary pancreatic duct drains
small portion of the head and body
Veins that drain the pancreas
smv, splenic vein
delta cells produce
somatostatin
Portion of the pancreas in which projects into the splenorenal ligament towards the hilum of the spleen.
tail
The primary pancreatic duct courses where?
the entire length of the pancreas
Courvoisier's gallbladder typically occurs when
there is a mass in the pancreatic head
Pancreatic cysts may be ______ or _____________.
true; pseudocysts
A triangular extension of the pancreatic head
uncinate process
Cystadenomas of the pancreas typically affect
women
Infectious agents, hereditary, and congenital are causes of acute pancreatitis in ____________ people.
younger