The authors reply: Letter on: "Pitfalls in the measurement of muscle mass: a need for a reference standard" by Clark et al
, Fanny Buckinx 1, Francesco Landi 2, Matteo Cesari 3 4, Roger A Fieding 5, Marjolein Visser 6 7, Klaus Engelke 8, Stefania Maggi 9, Elaine Dennison 10, Nasser M Al-Daghri . 2018
Abstract
However, semantics aside, we think that DXA can indeed serve as a reference standard for measuring muscle mass. Obviously, CT and MRI are advanced techniques that can and have been used to obtain important information such as muscle size/volume and more recently amount and distribution of intra- and intermuscular adipose tissue. Also individual muscles can be assessed separately. However, with respect to muscle mass, the comparison of DXA with CT/MRI is rather difficult because DXA and QCT/MRI measure different physical parameters.
Keywords: Lean body mass; Lean mass; Muscle mass; Reference standard.
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