Muscle fat linked to poorer overall survival in esophageal cancers
A cohort review linked muscle fat to overall survival; its progression-free survival result remained uncertain.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In people with esophageal or gastro-esophageal junction cancer, fatty infiltration of skeletal muscle at baseline was associated with poorer overall survival. The progression-free survival result was not statistically significant. These findings describe prognosis in this patient group; they do not show that muscle fat causes shorter survival or that changing it improves outcomes.
Results varied substantially across cohorts. This abstract-based account cannot assess adjustment for other prognostic factors because details are missing; follow-up lengths are also absent.
What researchers found
Overall survival
During follow-up (length unreported), baseline myosteatosis was associated with 1.46 times the death hazard compared with no myosteatosis. Hazard means the rate of death at a given time among survivors, not survival probability or absolute risk difference.
What was compared
Researchers grouped patients according to muscle fat at baseline and pooled survival associations. The included studies followed cohorts; they did not test an intervention to change muscle composition.
Measurement matters
The association was stronger when muscle fat was assessed by intramuscular adipose tissue content than by muscle attenuation. This subgroup result suggests measurement choices matter when interpreting the pooled estimate.
The original publication
Association between myosteatosis and survival of patients with esophageal and gastro-esophageal junction cancer: a meta-analysis.
Wang W, Xie J, Yang T et al.
PeerJ · 2026
- PubMed ID
- 41727222
- Record checked
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