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Muscle Characteristics Obtained Using Computed Tomography as Prognosticators in Patients with Castration-Resistant Prostate Cancer

 Jongsoo Lee  ;  Jee Soo Park  ;  Ji Eun Heo  ;  Hyun Kyu Ahn  ;  Won Sik Jang  ;  Won Sik Ham  ;  Koon Ho Rha  ;  Young Deuk Choi 
 CANCERS, Vol.12(7) : 1864, 2020-07 
Journal Title
Issue Date
body composition ; castration-resistant prostate cancer ; computed tomography ; prognosticator ; survival
Limited studies have investigated the correlation between body composition and prostate cancer outcomes. We analyzed the effect of muscle mass and quality on castration-resistant prostate cancer (CRPC) outcomes. Skeletal muscle index (SMI) and skeletal muscle attenuation (SMA) were measured for 411 patients at the L3 vertebral level using computed tomography at CRPC diagnosis and were dived to low and high groups at the value of median. Analysis of the skeletal phenotypes and age (<70 and >70 years) was performed to evaluate the effect of SMI and SMA. The median survival rates for patients with low and high SMI were 19 and 24 months (p = 0.015), and those with low and high SMAs were 15 and 26 months (p < 0.001), respectively. In the subgroup analysis by age, SMA was a significant prognosticator in both groups, while SMI was a significant prognosticator only in patients aged >70 years. Patients with low SMA + low SMI had the worst prognosis. Muscle characteristics seems to be a prognosticator in survival of CRPC patients and may be considered in treatment planning.
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Park, Jee Soo(박지수) ORCID logo https://orcid.org/0000-0001-9976-6599
Lee, Jong Soo(이종수) ORCID logo https://orcid.org/0000-0002-9984-1138
Jang, Won Sik(장원식) ORCID logo https://orcid.org/0000-0002-9082-0381
Choi, Young Deuk(최영득) ORCID logo https://orcid.org/0000-0002-8545-5797
Ham, Won Sik(함원식) ORCID logo https://orcid.org/0000-0003-2246-8838
Heo, Ji Eun(허지은) ORCID logo https://orcid.org/0000-0002-4184-8468
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