Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Example of muscle fat infiltration (MFI) calculation. White outlined regions of interest represent a muscle (left semispinalis capitis) and subcutaneous fat reference used for the MFI measurement at the C4-C5 vertebral level. The resulting MFI calculation is shown, in which the mean pixel intensity (MPI) of muscle was reported as a percentage of the reference fat MPI.
