5.2 Flashcards
what cells cause insulinoma
beta cells
what inherited disease in insulinoma associated with
MEN1
what is whipples triad associated with
insulinoma
what is whipples triad
episodic hypoglycemia
decreased glucose <40-50
improvement with glucose within 15 min
diagnosis of insulinoma
after 72 hour fast
decreased glucose < 45
increased insulin
increased C peptide
increased proinsulin
decreased beta-hydroxybutyrate
what cells cause glucagonoma
alpha cells
where does glucagonoma commonly metastasize
liver (hepatic mets)
5 D’s associated with glucagonoma
decreased weight
DM
diarrhea
depression
dermatitis (necrolytic migratory erythema)
what is the most common presenting symptom of patients w glucagonoma
weight loss
how to diagnose glucagonoma
> 500 blood glucose
what inherited disease in glucagonoma associated with
MEN1
what is another characteristic lab finding in glucagonoma
hyperaminoacidemia
treatment for glucagonoma
surgery if no mets
there are usually mets – so somatostatin analogs
another very important and common symptom in glucagonoma
DVT, PE
MEN1
3 P’s
pituitary
parathyroid
pancreas