Pancreas CT Appearances

Serous Cystadenoma CT Findings

Calcifications in up to 30% of cases
Patterns of calcification are variable
More common in body and tail of pancreas
Classic cases are easy to diagnose but many are atypical
Multiple cysts with thin septations
Central scar with central calcification is classic
Less common appearance is oligocystic variety (10%) with single cyst and hard to distinguish from MCN
Cysts contain glycogen but no mucin
Polycystic pattern is most common in 70% of cases and cysts measure 2cm or smaller
Honeycomb pattern is second most common in 20% of cases and numerous cysts under 1cm in size
- Numerous cysts can typically not be separated individually
Oligocystic is least common in less than 10% of cases and a few cysts over 2cm in size
- Commonly called macrocystic cystadenoma and can be confused with mucinous cystic tumors