Muscle composition measured by CT scan is a measurable predictor of OS in advanced ovarian cancer Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Monday, May 30, 2016

Muscle composition measured by CT scan is a measurable predictor of OS in advanced ovarian cancer



abstract
 

OBJECTIVES:

To assess the impact of muscle composition and sarcopenia on overall survival in advanced epithelial ovarian cancer (EOC) after primary debulking surgery (PDS).

METHODS:

Women with stage IIIC/IV EOC who underwent PDS with curative intent between 1/1/2006 and 12/31/2012 were included. Patient variables and vital status were abstracted.....

RESULTS:

We identified 296 patients and 132 (44.6%) were classified as sarcopenic. The average mean skeletal muscle attenuation of the entire cohort was 33.4 Hounsfield units (HU). A multivariate model of overall risk of death included histology, residual disease, and mean skeletal attenuation. Among patients without residual disease, overall survival, but not progression free survival was significantly different between patients with low versus high mean skeletal attenuation (median survival, 2.8 vs. 3.3 years). Among patients with residual disease, overall survival was significantly different between patients with low versus high mean skeletal attenuation ≥36.40 vs. <36.40 HU (median survival, 2.0 vs. 3.3 years).

CONCLUSIONS:

Sarcopenia and low mean skeletal muscle attenuation are common in women undergoing PDS for advanced EOC. These factors are associated with poorer outcomes, and can be used in preoperative risk stratification and patient counseling. Further research into body composition and whether this risk factor can be altered via nutrition or fitness in this population is warranted.

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