| Frequency |
very common |
very rare |
moderate |
moderate |
common |
rare |
| Localization |
unifocal (predominantly head) |
unifocal, variable |
unifocal (microcystic: 70% left) |
unifocal (70% left) |
>60% multifocal, >70% head, branch ducts |
main duct, predominantly head |
| Median age |
variably |
≈20 years |
≈60 years |
≈45 years |
≈65 years |
≈65 years |
| Gender |
m > f |
f >> m (9:1) |
microcystic: f > m (7:3); macrocystic: m > f (3:2) |
f >>> m (>20:1) |
m = f |
m > f (3:2) |
| Symptoms |
often, history of pancreatitis is obligatory |
rare, only in large tumors, history of pancreatitis <10% in MCN |
in up to one-third of cases mild (recurrent) pancreatitis |
