Journal
AMERICAN JOURNAL OF ROENTGENOLOGY
Volume 205, Issue 3, Pages W255-W266Publisher
AMER ROENTGEN RAY SOC
DOI: 10.2214/AJR.15.14635
Keywords
body composition; imaging; muscle; sarcopenia
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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.
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