Departmental Bulletin Paper 前立腺癌アンドロゲン除去症例における2014 ISUP 新Grade group 分類の臨床的検討
Clinical Study of 2014 ISUP New Grade Group Classification for Prostate Cancer Patients Treated by Androgen Deprivation Therapy

宇野, 雅博  ,  川瀬, 真  ,  加藤, 大貴  ,  石田, 貴史  ,  加藤, 成一  ,  藤本, 佳則

64 ( 1 )  , pp.7 - 11 , 2018-01-31 , 泌尿器科紀要刊行会
The 2014 International Society of Urological Pathology (ISUP) has proposed a new grade group (GG) classification for Gleason scores (GS). The usefulness of the new GG classification was investigated with 518 prostate cancer patients who underwent androgen deprivation therapy. According to the new GG classification, Stages B‒D and the new GG classification relapse-free rate for each stage were calculated using the Kaplan‒Meier method. The new GG classification revealed a significant difference for the relapse-free rate only between some groups. Analysis using the Cox proportional hazards model indicated that the risk of relapse was higher in GGs 4 and 5 than in GG 1. The usefulness about the relapse-free rate in androgen deprivation therapy of the 2014 ISUP new grade group classification a waits future examination.

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