Assessment of liver fat in an obese patient population using noncontrast CT fat percent index

Autor: Melvin E. Clouse, Atif N. Khan, Andrew Karellas, Vassilios Raptopoulos, Thomas H. Hauser, Francine K. Welty, Ali F. Jon, Imad Nasser, Ahmad R. Cheema
Rok vydání: 2014
Předmět:
Zdroj: Clinical Imaging. 38:259-264
ISSN: 0899-7071
Popis: Objective To develop a simplified method to quantify liver fat using computed tomography (CT) fat % index (CT FPI ) compared to liver spleen method (CT L/S , CT L−S ). Methods Noncontrast CT of the liver was performed in 89 patients (overweight, obese, severely obese) to quantify fat, using the following: CT FPI =[(65−patient HU)/65]×100, normal live r =65 HU. Results There was a strong linear correlation between CT FPI and the standard method of assessing liver fat using CT L/S ( r =−0.901), CT L−S ( r =−0.911). Hepatic HU and CT FPI were significantly different in the severely obese group compared to other two groups ( P Conclusion Significant correlation indicates equal diagnostic accuracy of the two methods in appropriately calibrated scanners.
Databáze: OpenAIRE