Influence of Body Composition Assessed by Computed Tomography on Mortality Risk in Young Women with Breast Cancer
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View abstract on PubMed
Summary
This summary is machine-generated.Body composition, including skeletal muscle and adipose tissue, significantly impacts survival in young women with breast cancer. Lower muscle mass and higher fat predict increased mortality risk.
Area Of Science
- Oncology
- Radiology
- Body Composition Analysis
Background
- Body composition is increasingly recognized as a key prognostic factor in breast cancer.
- Little is known about body composition changes and their impact on mortality in young women (<40 years) with breast cancer.
Purpose Of The Study
- To investigate the association between computed tomography (CT)-derived body composition and mortality rates in young women recently diagnosed with breast cancer.
- To identify optimal cutoff values for body composition parameters that correlate with mortality.
Main Methods
- A bi-set cohort study with retrospective data collection.
- Inclusion criteria: women aged 20-40 years with newly diagnosed invasive ductal breast cancer.
- Body composition assessed via CT scans at the L3 level; overall mortality as the outcome; Cox-derived analysis for cutoff determination.
Main Results
- 192 women were analyzed; 12% experienced overall mortality.
- Significantly lower muscle area index observed in patients who died.
- Each 1 cm²/m² decrease in skeletal muscle index was associated with a 9% increase in mortality hazard.
- Higher adiposity levels were independently linked to increased mortality.
Conclusions
- Skeletal muscle area is a significant predictor of survival in young women with breast cancer.
- Adipose tissue compartments also play a predictive role in breast cancer survival for this demographic.
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