Lecture 24 - Pathology of Pancreas and Gallbladder Flashcards
Pigmented gallstones typically result from _______ _______.
Intravascular hemolyisis
Which are radiolucent (invisible on radiographic imaging), black or brown gall stones?
Brown are Radiolucent
Contrary to acute Cholecystitis, Chronic does NOT require _____ of the outflow duct.
Obstruction
Of the two types of Gallbladder carcinoma, which is most common, Infiltrating or Fungating?
Infiltrating
The most common sites for Fungating gallbladder carcinoma are the ____ and ____.
Body and neck
Unlike gallbladder carcinoma, Extra hepatic bile duct carcinomas (aka Cholangiocarcinoma) occur more commonly in _____ (gender?).
Males, so obv gallbladder carcinoma more common in females.
Where do Klatskin Cholangiocarcinomas occur?
At the junction of the left and right hepatic ducts –> they become symptomatic early in the disease progression.
Which pancreatic cells are typically not damaged until progression to chronic pancreatitis and which are the first to be damaged?
Islet cells typically spared until chronic.
Acinar cells damaged first.
The following are the stages of Ductal Carcinoma of the Pancreas:
PanIN-1A/1B –> begining signs of dysplasia from telomere shortening and mutations in ____.
PanIN-2 –> inactivation of _____.
PanIN-3 (aka carcinoma in-situ) –> inactivation of ____ and mutations in ____ and BRCA2.)
K-RAS
p16
p53
SMAD4
Trousseau’s Syndrome is a migratory __________ from elevated levels of platelet aggregation factors in Pancreatic exocrine tumor patients.
Thrombophlebitis