AIM: To analyze trends of clinical and tumor characteristics over a 12-year period since the beginning of the prostate-specific antigen (PSA) era in a consecutive series of radical prostatectomies. PATIENTS AND METHODS: Between 1993 and 2004 a consecutive series of 1351 patients underwent radical prostatectomy for clinically localized prostate cancer (PC) in a single institution. Clinical and histopathological information was entered into our computer database and analyzed for changes over time. RESULTS: The annual frequency of surgical interventions increased from 43 to 160 (272%) during the observation period (r = 0.930; p < 0.01). The detection of PC based solely on pathological PSA levels rose impressively from 7% to 70% (r = 0.986; p < 0.01). The rates of organ-confined disease also increased significantly from 47% to 79% (r = 0.774; p < 0.01). Stage pT3a decreased somewhat from 28% to 18% (r = -0.389; n.s.) whereas pT3b decreased significantly from 26% to 3% (r = -0.729; p < 0.01). CONCLUSION: During the 12-year period, PC was increasingly detected on the basis of a pathological PSA level only and shifted significantly to more organ-confined stages. With a time delay, these findings are consistent with trends observed in large centers in the USA.
AIM: To analyze trends of clinical and tumor characteristics over a 12-year period since the beginning of the prostate-specific antigen (PSA) era in a consecutive series of radical prostatectomies. PATIENTS AND METHODS: Between 1993 and 2004 a consecutive series of 1351 patients underwent radical prostatectomy for clinically localized prostate cancer (PC) in a single institution. Clinical and histopathological information was entered into our computer database and analyzed for changes over time. RESULTS: The annual frequency of surgical interventions increased from 43 to 160 (272%) during the observation period (r = 0.930; p < 0.01). The detection of PC based solely on pathological PSA levels rose impressively from 7% to 70% (r = 0.986; p < 0.01). The rates of organ-confined disease also increased significantly from 47% to 79% (r = 0.774; p < 0.01). Stage pT3a decreased somewhat from 28% to 18% (r = -0.389; n.s.) whereas pT3b decreased significantly from 26% to 3% (r = -0.729; p < 0.01). CONCLUSION: During the 12-year period, PC was increasingly detected on the basis of a pathological PSA level only and shifted significantly to more organ-confined stages. With a time delay, these findings are consistent with trends observed in large centers in the USA.
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