Modified CT Severity Index (mCTSI) — Acute Pancreatitis 1) Pancreatic inflammation (choose one) Normal pancreas (0 points) Intrinsic pancreatic abnormalities ± inflammatory changes in peripancreatic fat (2 points) Pancreatic or peripancreatic fluid collection or peripancreatic fat necrosis (4 points) 2) Pancreatic necrosis (choose one) None (0 points) ≤ 30% necrosis (2 points) > 30% necrosis (4 points) 3) Extrapancreatic complications (any of the following?) Yes — add 2 points if one or more present Examples: pleural effusion, ascites, vascular complications (thrombosis/bleed), extrapancreatic parenchymal complications, GI tract involvement, bowel ischemia, infected collections, etc. Calculate mCTSI mCTSI Result
