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Pancreas Pathology
Diagnostic Medical Sonography
27
Medical
Undergraduate 1
05/11/2011

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Cards

Term
Ectopic pancreatic tissue
Definition
Most common pancreatic anomaly
Term
Annular pancreas
Definition
Condition in which the second part of the duodenum is surrounded by a ring of pancreatic tissue continuous with the head of the pancreas
Term
Fibrocystic disease
Definition
  • Hereditery
  • Acini cells usually atrophy and become replaced with fibrous tissue. results in diabetes due to loss of pancreatic secretions
Term
Congenital cysts
Definition
Result from anomalous development of the pancreatic ducts; simple cyst appearance
Term
Acute Pancreatitis
Definition
Inflammation of the acini cells causing increased secretions and blocked ducts, which results in pancreatic enzymes being released into surrounding pancreatic tissue
Term
Biliary tract disease
Definition
Most common cause of acute pancreatitis
Term
Alcoholism
Definition
Second most common cause of acute pancreatitis
Term
Acute pancreatitis
Definition
Main symptom is severe pain after a large meal or an alcoholic binge
Term
serum amylase level
Definition
increases mor rapidly the plateaus
Term
lipase level
Definition
increases within 72 hours and remain elevated for a longer period of time
Term
trauma
Definition
Most common cause of acute pancreatitis in children is what?
Term
Hemorrhagic pancreatitis
Definition
  • rapid progression of acute pancreatitis with rupture of pancreatic vessels and subsequent hemorrhage
  • causes focal areas of fat necroses in and around the pancreas which leads th rupture of the vessels and this?
Term
Chronic pancreatitis
Definition
  • progressive destruction of the pancreas by repeated flare-ups of acute pancreatitis
  • More common in males
  • related the hypercalcemia and hyperlipidemia
Term
Abscess
Definition
  • May be a complication of pancreatitis or post operative procedure
  • associated with neighboring infection such ar peptic ulcer, appendicitis, or acute cholecystitis
  • high mortality rate if left untreated
Term
Pancreatic pseudocyst
Definition
Most common cystic lesion of pancreas
Term
pseudocysts
Definition
Most often a complication of pancreatitis
Term
Pancreatic pseudocyst
Definition
  • a collection of fluid that arises from the loculation of inflammatory processes, necrosis, or hemorrhage
  • always acquired, not congenital
  • develops when pancreatic enzymes escape from the gland and break down tissue
Term
walls are not true
Definition
pseudo means what?
Term
spontaneous rupture
Definition
most common complication of a pseudocyst, pt present with sudden shock and peritonitis?
Term
autosomal dominant polycystic disease
Definition
extrarenal cysts most often seen in liver, however may spread to pancreas
Term
head of pancreas
Definition

True cysts most commonly form

 where first?

Term
Adenocarcinoma
Definition
  • Exocrine lesion
  • fatal tumor that involves the exocrine portion of the pancreas
  • most frequently in the head of pancreas, which causes obstruction of the CBD, jaundice, and hydrops of the GB
  • death occurs around 8 months

 

Term
Adenocarcinoma
Definition

 most comon primary neoplasm of

 the pancreas

Term
Islet cell tumors
Definition
  • functioning and non functioning
  • endocrine neoplasms
  • Nonfunctioning comprise 1/3 of these with 92% malignant
Term
Insulinoma
Definition
  • most common functioning islet cell tumor
  • hypervascular
  • 10% become malignant
  • most common in tail
Term
Gastrinoma
Definition
Second most common islet cell tumor; more are malignant
Term
Lymphoma
Definition
  • Malignant neoplasm
  • rises from the lymphoid tissue
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