Abstract

Objective: To determine the density ranges determining the degree of hepatosteatosis on computed tomography (CT).
Methods: Patients who were diagnosed with hepatosteatosis by ultrasonography and those who underwent tomography were included in the study. Measurements were made from each segment of the liver and the spleen in the CT images of the graded groups. Liver/spleen density ratios were compared.
Results: The L/S ratios for G1, G2, and G3 were 0.94 ± 0.19, 0.70 ± 0.16, and 0.37 ± 0.13, respectively. There was a statistically significant difference in the L/S ratios among all the groups (p=.001). The cut-off value separating G1 and G2 was calculated as 0.77, and the cut-off value separating G2 and G3 was calculated as 0.47. Segment 1, which had the least fat accumulation, was significantly different from all the other segments.
Conclusion: In the present study, which was conducted on 666 patients, it was determined that both contrast-enhanced and non-contrast-enhanced tomography can be used for the evaluation of hepatosteatosis. However, contrast-enhanced tomography has been found to distinguish G1 from G2 more effectively than unenhanced CT.

Key words: Hepatosteatosis; Density range; Computed tomography; Ultrasonography