CT GRADE
Grade A Normal CT 0 points
Grade B .. Focal or diffuse enlargement of the pancreas..1 point
Grade C ..Pancreatic gland abnormalities and peripancreatic inflammation ..2 points
Grade D ..Fluid collection in a single location ..3 points
Grade E ..Two or more fluid collections and / or gas bubbles in or adjacent to pancreas ..4 points
NECROSIS SCORE
No necrosis ..0 points
0 to 30% necrosis ..2 points
30 to 50% necrosis ..4 points
Over 50% necrosis ..6 points
CT severity index = ct grade + necrosis score
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