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Sökning: WFRF:(Norlén B.J.)

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1.
  • Bill-Axelson, Anna, et al. (författare)
  • Radical prostatectomy versus watchful waiting in localized prostate cancer : the Scandinavian prostate cancer group-4 randomized trial
  • 2008
  • Ingår i: Journal of the National Cancer Institute. - : Oxford University Press. - 0027-8874 .- 1460-2105. ; 100:16, s. 1144-1154
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The benefit of radical prostatectomy in patients with early prostate cancer has been assessed in only one randomized trial. In 2005, we reported that radical prostatectomy improved prostate cancer survival compared with watchful waiting after a median of 8.2 years of follow-up. We now report results after 3 more years of follow-up.METHODS: From October 1, 1989, through February 28, 1999, 695 men with clinically localized prostate cancer were randomly assigned to radical prostatectomy (n = 347) or watchful waiting (n = 348). Follow-up was complete through December 31, 2006, with histopathologic review and blinded evaluation of causes of death. Relative risks (RRs) were estimated using the Cox proportional hazards model. Statistical tests were two-sided.RESULTS: During a median of 10.8 years of follow-up (range = 3 weeks to 17.2 years), 137 men in the surgery group and 156 in the watchful waiting group died (P = .09). For 47 of the 347 men (13.5%) who were randomly assigned to surgery and 68 of the 348 men (19.5%) who were not, death was due to prostate cancer. The difference in cumulative incidence of death due to prostate cancer remained stable after about 10 years of follow-up. At 12 years, 12.5% of the surgery group and 17.9% of the watchful waiting group had died of prostate cancer (difference = 5.4%, 95% confidence interval [CI] = 0.2 to 11.1%), for a relative risk of 0.65 (95% CI = 0.45 to 0.94; P = .03). The difference in cumulative incidence of distant metastases did not increase beyond 10 years of follow-up. At 12 years, 19.3% of men in the surgery group and 26% of men in the watchful waiting group had been diagnosed with distant metastases (difference = 6.7%, 95% CI = 0.2 to 13.2%), for a relative risk of 0.65 (95% CI = 0.47 to 0.88; P = .006). Among men who underwent radical prostatectomy, those with extracapsular tumor growth had 14 times the risk of prostate cancer death as those without it (RR = 14.2, 95% CI = 3.3 to 61.8; P < .001).CONCLUSION: Radical prostatectomy reduces prostate cancer mortality and risk of metastases with little or no further increase in benefit 10 or more years after surgery. 
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3.
  • Edgren, M, et al. (författare)
  • Postoperative radiotherapy after prostatectomy can be associated with severe side effects.
  • 2001
  • Ingår i: Anticancer research. - 0250-7005. ; 21, s. 2231-
  • Tidskriftsartikel (refereegranskat)abstract
    • This retrospective study was initiated to evaluate the efficacy and side effects of post-prostatectomy external beam radiation therapy (XRT) with a short time interval between surgery and irradiation in patients with prostate adenocarcinoma. Sixteen patients were investigated. The overall results in this study were 3 deaths due to recurring disease and two relapses after an average follow-up of 60 months. Severe side effects were observed. Two patients required surgical intervention due to severe post-radiotherapy side effects. The reason for this could be the high dose delivered to peripheral organs and/or a too short time interval between surgery and postoperative XRT. The results of this study confirmed that postoperative XRT can improve local control frequency in prostate carcinomas. It is recommended that the time interval between surgery and postoperative radiotherapy should to be 3-6 month.
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4.
  • Lennernäs, Bo, 1963, et al. (författare)
  • Postoperative radiotherapy after prostatectomy--a review
  • 2003
  • Ingår i: Scand J Urol Nephrol. - 0036-5599. ; 37:1, s. 10-5
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The management of prostate adenocarcinomas using postoperative irradiation is a controversial question. The purpose of this study was to review the literature on the subject. MATERIAL AND METHODS: A total of 417 articles dealing with postoperative radiotherapy after radical prostatectomy in English literature (1990-2002) were reviewed in aspects of effect on survival, time of irradiation, risk factors, dose and technique and side effects. RESULTS AND DISCUSSION: No randomised studies have been performed and therefore no definitive conclusive data can be made concerning the efficiency of the concept. However, postoperative radiotherapy appears to increase local control preferably in pT3/4 prostatic carcinomas with seminal vesicles involvement and/or positive margins and/or high Gleason score and high postoperative PSA level. It has not been shown to improve survival. Severe side effects are reported in a low frequency. However, postoperative irradiation can cause severe side effects and postoperative adjuvant/salvage treatments should be delivered earliest 3-6 months after surgery and the total dose delivered to the prostate bed should be 65-70 Gy. Postoperative radiotherapy induces improved local control in patients with positive surgical margins and in patients with a local relapse, preferably if the tumour is small (i.e. PSA <1-2 ng/mL).
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  • Peeker, Ralph, 1958, et al. (författare)
  • Urologi
  • 2010
  • Ingår i: Kirurgi 7ed ed.. - : Liber.
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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