Psoas muscle index is not representative of skeletal muscle index for evaluating cancer sarcopenia.
Frédéric PigneurMario Di PalmaBruno RaynardAymeric GuibalFrédéric CohenNassima DaidjRichard AzizaMostafa El HajjamGuillaume LouisFrançois GoldwasserElise DeluchePublished in: Journal of cachexia, sarcopenia and muscle (2023)
A diagnostic test employing single-muscle measurements of the psoas major muscle as a surrogate for sarcopenia detection was evaluated but found to be unreliable. The CSMA of all muscles must be considered for evaluating cancer sarcopenia at L3.