International Journal of Hematology and Oncology
2023, Vol 33, Num 4 Page(s): 001-010
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Prognostic Value of Body Composition in Therapy-Naive Patients with Non-Small Cell Lung Cancer
Tugba Kiratli YOLCU1, Selin KESIM2, Nuh FILIZOGLU2, Tunc ONES2, Tugba BASOGLU3, Mehmet Akif OZTURK4, Perran Fulden YUMUK3,5
1Marmara University Faculty of Medicine, Department of Internal Medicine
2Marmara University Faculty of Medicine, Department of Nuclear Medicine
3Marmara University Faculty of Medicine, Department of Medical Oncology
4Memorial Sisli Hospital, Department of Medical Oncology
5Koc University Faculty of Medicine, Department of Medical Oncology
Keywords: Body composition, Multi-slice computed tomography, Non-small cell lung cancer, Subcutaneous adipose tissue, Visceral adipose tissue
The objective of this study was to assess the impact of visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), skeletal muscle mass volume (SMMV), and VAT/SAT ratio on the prognosis of therapy naive metastatic non-small cell lung cancer (NSCLC) patients undergoing different therapy regimens. Eighty three patients with stage-IV NSCLC who were received at least one cycle of platinum-based chemotherapy (PBCT) or tyrosine kinase inhibitor (TKI) therapy included in this retrospective study. Pre-treatment multi-slice and single-slice computed tomography images of PET/CT scans were used for the assessment of body composition. The effect of anthropometric measurements on clinical outcomes for advanced NSCLC patients was investigated with survival analysis for each treatment subgroup. In univariate analyses, female gender (p= 0.03), presence of bone metastasis (p= 0.02), presence of adrenal metastasis (p< 0.005), SAT volume (p= 0.01), VAT/SAT ratio (p= 0.02) and serum albumin levels (p= 0.01) were found to be statistically significant for overall survival (OS) in TKI treatment group. In multivariate analyses, only serum albumin level (p< 0.005) remained an independent risk factor. No significant results were found in the PBCT treatment group. Single-slice volume calculation method for VAT measurement was highly correlated with a multi-slice method which reflects the entire abdominopelvic region. In conclusion, our study indicates that adipose tissue and muscle mass volume alone do not significantly affect survival in patients with metastatic NSCLC. However, hypoalbuminemia was identified as an independent negative prognostic factor.
Tugba Kiratli YOLCU1, Selin KESIM2, Nuh FILIZOGLU2, Tunc ONES2, Tugba BASOGLU3, Mehmet Akif OZTURK4, Perran Fulden YUMUK3,5
1Marmara University Faculty of Medicine, Department of Internal Medicine
2Marmara University Faculty of Medicine, Department of Nuclear Medicine
3Marmara University Faculty of Medicine, Department of Medical Oncology
4Memorial Sisli Hospital, Department of Medical Oncology
5Koc University Faculty of Medicine, Department of Medical Oncology
Keywords: Body composition, Multi-slice computed tomography, Non-small cell lung cancer, Subcutaneous adipose tissue, Visceral adipose tissue
The objective of this study was to assess the impact of visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), skeletal muscle mass volume (SMMV), and VAT/SAT ratio on the prognosis of therapy naive metastatic non-small cell lung cancer (NSCLC) patients undergoing different therapy regimens. Eighty three patients with stage-IV NSCLC who were received at least one cycle of platinum-based chemotherapy (PBCT) or tyrosine kinase inhibitor (TKI) therapy included in this retrospective study. Pre-treatment multi-slice and single-slice computed tomography images of PET/CT scans were used for the assessment of body composition. The effect of anthropometric measurements on clinical outcomes for advanced NSCLC patients was investigated with survival analysis for each treatment subgroup. In univariate analyses, female gender (p= 0.03), presence of bone metastasis (p= 0.02), presence of adrenal metastasis (p< 0.005), SAT volume (p= 0.01), VAT/SAT ratio (p= 0.02) and serum albumin levels (p= 0.01) were found to be statistically significant for overall survival (OS) in TKI treatment group. In multivariate analyses, only serum albumin level (p< 0.005) remained an independent risk factor. No significant results were found in the PBCT treatment group. Single-slice volume calculation method for VAT measurement was highly correlated with a multi-slice method which reflects the entire abdominopelvic region. In conclusion, our study indicates that adipose tissue and muscle mass volume alone do not significantly affect survival in patients with metastatic NSCLC. However, hypoalbuminemia was identified as an independent negative prognostic factor.
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