IPMN and other cystic pancreas Flashcards Preview

Surgical Oncology > IPMN and other cystic pancreas > Flashcards

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

histology finding of IPMN

A

mucin producing columnar cells

2
Q

histology finding of MCN

A

ovarian like stroma (also mucin producing)

3
Q

IPMN malignancy risk of main duct

A

~70%

4
Q

malignancy risk of side duct IPMN

A

20% at 10 years.

5
Q

CR/MRI finding of pancreas cyst concerning for malignancy

A

mural nodules, especially >3mm

6
Q

Initial criteria for resection of “IPMN”

A

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

7
Q

borderline criteria to consider EUS/FNA for “IPMN”

A
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
Q

What percent of pancreatic cyst FNAs are non-diagnostic?

A

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