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KMID : 0880420190200020205
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Korean Journal of Radiology
2019 Volume.20 No. 2 p.205 ~ p.217
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Recent Issues on Body Composition Imaging for Sarcopenia Evaluation
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Lee Ko-Eun
Shin Yong-Bin
Huh Ji-Mi
Sung Yu-Sub
Lee In-Seob
Yoon Kwon-Ha
Kim Kyung-Won
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Abstract
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Recently, sarcopenia has garnered renewed interest. Sarcopenia is a disease characterized by decreased skeletal muscle mass and strength/function, which can impair the quality of life and increase physical disability, adverse metabolic effects, and mortality. Imaging tools for evaluating and diagnosing sarcopenia have developed rapidly. Radiologists should be aware of sarcopenia and its clinical implications. We review current knowledge about sarcopenia, its pathophysiological impact, and advantages and disadvantages of methods for evaluation of sarcopenia focusing on body composition imaging modalities such as whole-body dual-energy X-ray absorptiometry, CT, and MRI. Controversial issues are discussed, including the lack of consensus and standardization of the disease definition, imaging modality, measurement methods, and diagnostic cutoff points.
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KEYWORD
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Body composition, Computed tomography, Magnetic resonance imaging, Dual-energy X-ray absorptiometry, Sarcopenia
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