IPMN and other cystic pancreas Flashcards Preview

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Flashcards in IPMN and other cystic pancreas Deck (8)
1

histology finding of IPMN

mucin producing columnar cells

2

histology finding of MCN

ovarian like stroma (also mucin producing)

3

IPMN malignancy risk of main duct

~70%

4

malignancy risk of side duct IPMN

20% at 10 years.

5

CR/MRI finding of pancreas cyst concerning for malignancy

mural nodules, especially >3mm

6

Initial criteria for resection of "IPMN"

Any main duct (>1cm)
any solid component
obstructive jaudice
other symptoms

7

borderline criteria to consider EUS/FNA for "IPMN"

size>30mm
wall thickening
non-enhancing mural nodule
associated pancreatitis
main duct 5-9mm
Abrupt change in the main pancreating duct with distal atrophy

8

What percent of pancreatic cyst FNAs are non-diagnostic?

~50% are non-diagnostic (acellular); tumor markers are under study