- Less common anatomic→ divisum, post ERCP, auto-immune→ IgG4 related, scorpion bites, trauma, hypertrigliceridemia, hypercalcemia
- Prior pancreatitis
- Autoimmune→ m>f, age > 50
- Acute epigastric pain which is constant and radiates to back
- Often nausea and vomiting
- Often jaundice if related to obstructing stone
- W/autoimmune→ jaundice, less severe pain, wt loss
- Epigastric pain on plapation