Category | Description |
---|---|
1. Presence of pancreatic calcification(s) | Presence of one or more pancreatic parenchymal or ductal calcification(s) on cross-sectional abdominal imaging |
2. Imaging supportive of chronic pancreatitis | Diagnosis requires the presence of a, b, or c: a) EUS demonstrating lobular appearance of the pancreas and ≥ 3 minor criteria (Table 2) b) EUS demonstrating ≥ 5 minor criteria c) Presence of ≥ 3 abnormal pancreatic duct side branches on MRCP or ERCP |
3. Indeterminate EUS with evidence of exocrine pancreatic insufficiency | Diagnosis requires the presence of a and b, c, d, or e: a) Presence of 3–4 minor EUS criteria b) Abnormal 72-h fecal fat collection (> 15 g fat per day) c) Abnormal endoscopic pancreas function test (maximal duodenal bicarbonate concentration < 80 mEq/L) d) Decreased serum trypsin (< 20 ng/mL) e) Decreased fecal elastase level (< 200 mcg/g stool) |