Non-alcoholic fatty liver disease CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2]

Overview

CT scan may be helpful in the diagnosis of non-alcoholic fatty liver disease. Findings on a CT scan diagnostic for non-alcoholic liver disease include a diffuse, low-density hepatic parenchyma without mass effect.

CT scan

• CT without contrast is an effective test for elavating liver strucutre and liver fat content.
• Useful for evaluating hepato-biliary system and rule out other causes of liver disease.
• Contrast enhanced CT has a sensitivity up to 84-87% and specificity of 75-86%.
• The only limitation of a CT scan is it cannot distinguish between fatty liver disease, steatohepatitis, and steatohepatitis plus fibrosis.
• Findings include:
  • A diffuse, low-density hepatic parenchyma
  • Focal fatty liver appears as a non-spherical shape without mass effect.