Robert D Boutin1, Lawrence Yao2, Robert J Canter3, Leon Lenchik4. 1. 1 Department of Radiology, University of California Davis Health System, 4860 Y St, Ste 3100, Sacramento, CA 95817. 2. 2 Radiology and Imaging Sciences, National Institutes of Health Clinical Center, Bethesda MD. 3. 3 Department of Surgery, Division of Surgical Oncology, University of California Davis Health System, Sacramento, CA. 4. 4 Department of Radiology, Musculoskeletal Imaging Section, Wake Forest School of Medicine, Winston-Salem, NC.
Abstract
OBJECTIVE: The purpose of this article is to review the nomenclature, clinical impact, and diagnostic techniques characterizing sarcopenia. CONCLUSION: Sarcopenia-defined as significant loss of muscle-is associated with cachexia and frailty. Specific diagnostic criteria for sarcopenia continue to evolve, but imaging can play a role in the detection and quantification of muscle depletion. Emerging evidence indicates that sarcopenia is a relevant predictor of quality and quantity of life, particularly in patients who are elderly, have cancer, or undergo surgery.
OBJECTIVE: The purpose of this article is to review the nomenclature, clinical impact, and diagnostic techniques characterizing sarcopenia. CONCLUSION:Sarcopenia-defined as significant loss of muscle-is associated with cachexia and frailty. Specific diagnostic criteria for sarcopenia continue to evolve, but imaging can play a role in the detection and quantification of muscle depletion. Emerging evidence indicates that sarcopenia is a relevant predictor of quality and quantity of life, particularly in patients who are elderly, have cancer, or undergo surgery.
Entities:
Keywords:
body composition; imaging; muscle; sarcopenia
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