Gastroenterology Book

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CT Severity Index in Pancreatitis

Aka: CT Severity Index in Pancreatitis, Balthazar Computed Tomography Severity Index
  1. See Also
    1. Acute Pancreatitis
    2. Ranson Criteria
    3. BALI Score
    4. BISAP Score
    5. Revised Atlanta Criteria for Acute Pancreatitis Severity
    6. Acute Physiology and Chronic Health Evaluation II (APACHE II Score)
    7. Modified Glasgow Severity Criteria for Pancreatitis (Imrie Scoring System for Pancreatitis, PANCREAS Score)
  2. 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)
  3. 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
  4. 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
  5. References
    1. Balthazar (1990) Radiology 174(2): 331-6 [PubMed]
    2. Balthazar (1994) Radiology 193(2): 297-306 [PubMed]
    3. Leung (2005) World J Gastroenterol 11(38): 6049-52 [PubMed]

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