Saturday, 30 March 2013

Cystic neoplasm of pancreas

Cystic neoplasms of pancreas include:
1. Serous cystic neoplasms (30%)
2.Mucinous cystic neoplasm (50%)
3. Intraductal papillary mucinous neoplasm
Serous cystic neoplasms (SCN)
Mean Age:62years
Site:Head of pancreas
Macroscopy:Small spongy clusters of clear cysts <2cms
CT scan: 1. Central sunburst/stellar scar appearance 2. Each cluster resembles BUNCH OF GRAPES 3. HONEYCOOMB appearance
Mucinous cystic neoplasm (MCN)
Mean Age: 53 years
Site:Body and uncinate process
Macroscopy: Large cysts >2cms (~ 6 in number)
CT scan:Papillary invaginations into cyst (ovarian stroma +)
Intraductal papillary mucinous neoplasm (IPMN)
Mean Age:63yrs
Site:Head of pancreas tail of pancreas
Macroscopy:Pancreatic duct dilatation
CT scan:Fish mouth sign
SCN and MCN common in females and IPMN common in males.

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