Grading based upon findings on unenhanced CT |
Grade | Findings | Score |
A | Normal pancreas - normal size, sharply defined, smooth contour, homogeneous enhancement, retroperitoneal peripancreatic fat without enhancement | 0 |
B | Focal or diffuse enlargement of the pancreas, contour may show irregularity, enhancement may be inhomogeneous but there is no peripancreatic inflammation | 1 |
C | Peripancreatic inflammation with intrinsic pancreatic abnormalities | 2 |
D | Intrapancreatic or extrapancreatic fluid collections | 3 |
E | Two or more large collections of gas in the pancreas or retroperitoneum | 4 |
Necrosis score based upon contrast-enhanced CT |
Necrosis (%) | Score |
0 | 0 |
<33 | 2 |
33-50 | 4 |
≥50 | 6 |