Does tumor location affect prostate cancer prognosis
2019
45Background: Does tumor location affect prostate cancer prognosis? To clarify this question we conducted a retrospective study to characterize the incidence and prognostic significance of tumor location of prostate cancer. Methods: From 2000 to 2017, radical prostatectomy with no neoadjuvant therapy was performed in 916 cases in our hospital. Serial whole mount sections were reviewed to determine the incidence, clinicopathological features and prognostic significance of tumor location in the prostate gland. For the tumor location, we defined the subzones, which were made from subdivision of the McNeal’s zonal anatomy, are shown in Table 1 in detail. The peripheral zone (PZ) is composed of 8 subzones including A1, A2, A3 , M1, M2, M3, M4, M5. The transition zone (TZ) is composed of 5 subzones including T1, T2, T3, T4 and B1. The central zone (CZ) is composed of 3 subzones including M6, B2 and B3. Results: The median age was 67 and PSA was 8.6 ng/ml. The subzonal tumor incidence divided by all cases was th...
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