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Morphomics Can Predict Oncological Features and Survival of Metastatic Renal Cell Carcinoma After Cytoreductive
I-Hung Shao1,2,3, Ying-Hsu Chang3,4, Ting-Wen Sheng5
1Division of Urology, Department of Surgery, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan, Taiwan, R.O.C.
Background/Aim:
This study analyzed the ability of body composition to predict the outcome of patients with metastatic renal cell carcinoma (RCC) who received cytoreductive nephrectomy followed by systemic therapy.
Patients And Methods:
A retrospective study was conducted from December 2010 to November 2017 in a single tertiary medical center. The medical charts and computed tomography images were reviewed. Statistical analysis included oncological features, their correlation with body composition factors, and overall survival.
Results:
Skeletal muscle volume was significantly higher in patients with Fuhrman grade 2 RCC than those with grade≥3. Patients with intermediate International Metastatic RCC Database Consortium risk had significantly higher BMI and skeletal muscle compared to those with poor risk. Multivariate analysis showed that increased skeletal muscle and decreased visceral adipose tissue were significant predictors of a better overall survival.
Conclusion:
Body composition highly correlated with the oncological features of metastatic RCC and impacted survival.
