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CT Abdomen

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CT Abdomen, Abdominal CT, CT Abdomen and Pelvis, Abdominopelvic CT

  • See Also
  1. Abdominal Pain Evaluation
  2. CT Abdomen in Appendicitis
  1. Appendicitis
  2. Diverticulitis
  3. Bowel Obstruction
  4. Acute Pancreatitis
  5. Nephrolithiasis (no contrast)
  6. Abdominal Aortic Aneurysm (IV contrast only)
  7. Mesenteric Ischemia
  8. Crohn's Disease (CT enterography)
  9. Abdominal Trauma (IV contrast only)
  10. Intraabdominal abscess (with Oral Contrast in addition to IV contrast)
  1. Most Abdominal CT protocols require oral water only (no Oral Contrast)
    1. Patients with increased abdominal fat require less contrast
    2. Evaluation for Appendicitis or Diverticulitis does not require Oral Contrast
  2. Patient indications for Oral Contrast
    1. Lean patient (e.g. BMI <19-20 kg/m2)
    2. Age <18 years old
  3. Condition indications for Oral Contrast
    1. Bowel Fistula
    2. Bowel perforation or peptic ulcer perforation
    3. Intraabdominal Abscess
  4. References
    1. Anderson (2005) Am J Surg 190(3): 474-8 [PubMed]
    2. Garcia (2013) Acad Emerg Med 20(8): 795-800 [PubMed]
    3. Harrison (2013) West J Emerg Med 14(6): 595-7 [PubMed]
  • Adverse Effects
  • Children
  1. Sold-tumor risk from CT radiation exposure in children
    1. See CT-associated Radiation Exposure
    2. Girls: 1 new cancer per 300-390 CT Abdomen and Pelvis
    3. Boys: 1 new cancer per 670-760 CT Abdomen and Pelvis
    4. Miglioretti (2013) JAMA Pediatr 167(8): 700-7 [PubMed]
  • References
  1. Ashoo, Orman and Hollander in Herbert (2015) EM:Rap 15(6): 17