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CT Severity Index in Pancreatitis

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CT Severity Index in Pancreatitis, Balthazar Computed Tomography Severity Index

  • Criteria
  • CT Score
  1. Score 0: Normal Pancreas (Grade A)
  2. Score 1: Edematous Pancreas (Grade B)
  3. Score 2: Edematous Pancreas and mild extrapancreatic changes (Grade C)
  4. Score 3: Severe extrapancreatic changes AND one fluid collection (Grade D)
  5. Score 4: Multiple or extensive fluid collections (Grade E)
  • Criteria
  • Necrosis Score
  1. Score 0: No necrosis
  2. Score 2: Necrosis <33%
  3. Score 4: Necrosis 33% to 50%
  4. Score 6: Necrosis 50% or more
  • Interpretation
  1. Based on total = CT Score + Necrosis Score
  2. CT Severity Index Score 5 or greater (compared with score <5)
    1. Longer length of hospitalization
    2. Mortality increased 15 fold