VCTE Overestimates Liver Fibrosis due to Abdominal-Truncal Adiposity and Not Hepatic Steatosis: A Case Report.

Abstract

Vibration-controlled transient elastography (VCTE) is used for the noninvasive assessment of liver fibrosis. We present a case of significant weight loss over 1 year, resulting in a marked improvement in liver stiffness suggesting a decrease in liver fibrosis from stage 4 (cirrhosis) to stage 2 (moderate fibrosis) notably without a change in the grade of hepatic steatosis. The improvement in two stages of fibrosis over this short time frame is due to the overestimation of liver stiffness in a subject with class 3 obesity and not due to the resolution of fibrosis. Therefore, this case highlights that BMI, due to excess subcutaneous abdominal adipose tissue and not intrahepatic lipid accumulation, can cause a significant overestimation of liver fibrosis with VCTE.