Monday, November 12, 2012

Cystic neoplasm of pancreas (RAPID REVIEW)

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.

Courtesy: Mcgraw-hill companies