Pancreatic Ca Flashcards
- What is the most common type of pancreatic cancer?
Pancreatic ductal adenocarcinoma (PDAC).
- What is the rank of pancreatic cancer in terms of cancer-related deaths?
Third leading cause of cancer death.
- What is the 5-year survival rate for pancreatic cancer?
Approximately 7.2%.
- What percentage of exocrine pancreatic malignancies does PDAC account for?
Over 90%.
- What are the two main categories of risk factors for pancreatic cancer?
Lifestyle factors (e.g.
- What is the most definitively identified risk factor for pancreatic cancer?
Tobacco smoking
- How does smoking increase the risk of pancreatic cancer?
Carcinogens reach the pancreas via biliary-pancreatic reflux or the bloodstream.
- What is the relationship between diabetes and pancreatic cancer?
Diabetes and prediabetes are risk factors and may also be a consequence of pancreatic cancer.
- What percentage of PDAC patients have diabetes or impaired glucose tolerance at diagnosis?
50% to 80%.
- What are precursor lesions to pancreatic cancer called?
Pancreatic intraepithelial neoplasia (PanIN).
- What are the three grades of PanIN?
PanIN-1 (low grade)
- What are intraductal papillary mucinous neoplasms (IPMNs)?
Precursor lesions that harbor invasive adenocarcinoma in 30-40% of cases.
- Where do 60-70% of pancreatic cancers occur?
In the head or uncinate process of the pancreas.
- What are the symptoms of right-sided pancreatic tumors?
Obstructive jaundice
- What are the symptoms of left-sided pancreatic tumors?
Pain
- What is Courvoisier’s sign?
A palpable gallbladder in the presence of jaundice
- What are signs of advanced pancreatic cancer?
Cachexia
- What is Virchow’s node?
Left supraclavicular lymph node enlargement
- What is Sister Mary Joseph’s node?
A periumbilical nodule indicating metastatic spread of abdominal cancer.
- What is Blumer’s shelf?
A palpable mass in the pouch of Douglas
- What is the most common initial imaging study for pancreatic cancer?
Abdominal ultrasound.
- What is the diagnostic and staging test of choice for pancreatic cancer?
Multidetector CT (MDCT) with pancreas protocol.
- What is the accuracy of CT for predicting unresectable pancreatic cancer?
90% to 95%.
- What is the accuracy of CT for predicting resectable pancreatic cancer?
80% to 90%.