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Stage II Prostate Cancer Treatment


    Radical prostatectomy

    Radical prostatectomy, usually with pelvic lymphadenectomy (with or without the nerve-sparing technique designed to preserve potency) is the most commonly applied therapy with curative intent.[2,9,10] Radical prostatectomy may be difficult after a transurethral resection of the prostate (TURP).

    Because about 40% to 50% of men with clinically organ-confined disease are found to have pathologic extension beyond the prostate capsule or surgical margins, the role of postprostatectomy adjuvant radiation therapy has been studied.

    Consideration may also be given to postoperative radiation therapy (PORT) for patients who are found to have seminal vesicle invasion by tumor at the time of prostatectomy or who have a detectable level of PSA more than 3 weeks after surgery.[11,12,13] Because the duration of follow-up in available studies is relatively short, the value of PORT is yet to be determined; however, PORT does reduce local recurrence.[11] Careful treatment planning is necessary to avoid morbidity.

    Evidence (radical prostatectomy followed by radiation therapy):

    1. In a randomized trial of 425 men with pathologic T3, N0, M0 disease, postsurgical EBRT (60–64 Gy to the prostatic fossa over 30–32 fractions) was compared with observation.[12][Level of evidence: 1iiA]
      • The primary endpoint, metastasis-free survival, could be affected by serial PSA monitoring and resulting metastatic work-up for PSA increase. This could have biased the primary endpoint in favor of radiation therapy, which was associated with a lower rate of PSA rise. Nevertheless, metastasis-free survival was not statistically different between the two study arms (P = .06). After a median follow-up of about 10.6 years, overall median survival was 14.7 years in the radiation therapy group versus 13.8 years in the observation group (P = .16).
      • Although the OS rates were not statistically different, complication rates were substantially higher in the radiation therapy group compared with the observation group: overall complications were 23.8% versus 11.9%, rectal complications were 3.3% versus 0%, and urethral stricture was 17.8% versus 9.5%, respectively.
      • After a median follow-up of about 12.5 years, however, OS was better in the radiation therapy arm; hazard ratio (HR)death of 0.72 (95% confidence interval [CI], 0.55–0.96; P = .023). The 10-year estimated survival rates were 74% in the radiation therapy arm and 66% in the control arm. The 10-year estimated metastasis-free survivals were 73% and 65% (P = .016).[13][Level of evidence: 1iiA]

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