Lumbar Skeletal Muscle Index (SMI) Based on Skeletal Muscle Area in an Abdominal CT Scan


The area of skeletal muscle in an abdominal CT scan correlates with a patient’s total skeletal muscle mass. The muscle area can be standardized by dividing it by the body height squared. Measuring lumbar skeletal muscles can be helpful in oncology patients since so many of these patients have CT imaging studies.

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