ArticleAnnals of gastroenterological surgery2026
Prognostic Value of Psoas Major Muscle Volume in Assessing Sarcopenia in Elderly Patients With Rectal Cancer.
Article in Annals of gastroenterological surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: This study aimed to evaluate the clinical utility and prognostic significance of sarcopenia classification based on the psoas major muscle volume index (PVI) in elderly patients with rectal cancer. Methods: We retrospectively analyzed 428 patients aged ≥ 65 years who underwent laparoscopic or robot-assisted radical rectal cancer resection between 2014 and 2018. PVI was calculated by dividing the semi-automatically measured psoas major muscle volume on three-dimensional computed tomography (CT) by the cube of height (m Results: PVI cut-off values were ≤ 58.9 cm Conclusion: PVI-based sarcopenia classification reflects nutritional and inflammatory status and enables effective prognostic stratification in elderly patients with rectal cancer. It may serve as a simple and objective tool for preoperative risk assessment, offering improved prognostic stratification compared with conventional CT-based indices.
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