Sarcopenia, broadly defined as loss of skeletal muscle mass and function, often is clinically silent but evident on imaging. Shen et al.
1 in 2004 showed that total skeletal muscle mass on a single computed tomography (CT) section at the L3 level is closely related to lean body mass. This finding led to the establishment of validated gender-based cutoff values for defining sarcopenia. Currently, CT is considered the gold standard for body composition analysis
2 of cancer patients because of its ability to derive muscle metrics from staging or follow-up CT scans without the need to re-radiate the patient. …