Pancreatic Neuroendocrine Tumors Flashcards
All pancreatic neuroendocrine tumors will look like?
Solid yellow-tan mass
Where do PAN-NETs have a predilection for?
Pancreatic neck and tail
Describe the differentiation and what is present in PAN-NETs?
Well differentiated with secretory granules
GEP-NET
Gastroenteropancreatic Neuroendocrine Tumors
PAN-NET
Pancreatic Neuroendocrine Tumors
Insulinomas affect what cells?
Beta cell
Which of the tumors have the lowest metastatic rate?
Insulinoma
What will be present on histo with Insulinomas?
Amyloid
What can aide in diagnosis of an Insulinoma?
C-peptide
What is the symptom of an Insulinoma?
HYPOglycemia
If a patient presents with hypoglycemia, what tumor can you suspect?
Insulinoma
Gastrinomas affect what cell?
G cell
What syndrome is present with Gastrinomas?
Zollinger-Ellison
What presents with Gastrinomas?
Gastric Acid Hypersecretion and Peptic ULCERS
How will the ulcers respond to therapy with a Gastrinoma?
They DONT
Where are the ulcers found with Gastrinomas?
Stomach
Duodenum
Gastric Acid hypersecretion and peptic ulcers are likely seen with what tumor?
Gastrinoma
Somatostatinoma affect what cells?
Delta cells
Which 2 tumors have the highest metastatic rate?
Somatostatinoma
VIPoma
How will Somatostatinomas present?
Cholelithiasiis
DM
Steatorrhea
How will Somatostatinomas present?
Cholelithiasis
DM
Steatorrhea
How does Somatostatinomas cause their symptoms?
Inhibiitory function
- Decrease insulin
- Decrease gallbladder motility
- Decrease exocrine pancreas secretions
Glucagonomas affect what cell?
Alpha cell
What are the 2 main symptoms of a Glucagonoma?
Hyperglycemia
Rash