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Salvage radical prostatectomy after failed transperineal cryotherapy: histologic findings from prostate whole-mount specimens correlated with intraoperative transrectal ultrasound images.

OBJECTIVES: This study evaluates the potential for salvage radical prostatectomy after failure of transrectal ultrasound (TRUS)-guided percutaneous cryosurgical ablation of the prostate. An additional purpose was to determine the accuracy of intraoperative TRUS to delineate the extent of freeze destruction that results from cryosurgery. METHODS: Six patients with biopsy-confirmed, Stage T3 prostate cancer underwent salvage radical prostatectomy 3 to 10 months after failing prostate cryosurgery. Zones of freeze destruction (resolving coagulative necrosis) and residual adenocarcinoma were mapped on the coverslips of whole-mount sections. Histologically proven zones of freeze destruction correlating to successfully treated prostatic tissue were compared to the hypoechoic ice ball treatment zones seen on intraoperative TRUS images. RESULTS: The whole mounts were found to contain necrotic areas of cryodestruction that appeared much smaller than predicted by intraoperative ultrasound. Each of the cases also contained residual viable adenocarcinoma. All patients are alive and clinically free of localized disease 0.5 to 12 months after salvage radical prostatectomy. CONCLUSIONS: Salvage radical prostatectomy offers an effective treatment option in patients who have failed transperineal cryosurgery of the prostate. Intraoperative TRUS predicted that the entire prostate would show freeze destruction. Whole-mount analysis, however, revealed areas of remaining unaffected adenocarcinoma and normal prostatic parenchyma. TRUS, therefore, overstimates the area of prostatic tissue destroyed by extreme cold. This finding challenges the assumption that the entire prostate is lethally frozen when its boundaries are included within the hypoechoic ice ball witnessed on TRUS.

Aged↗

Cystography after radical retropubic prostatectomy: clinical implications of abnormal findings.

OBJECTIVES: In many institutions, cystography is obtained routinely after radical retropubic prostatectomy to assess the integrity of the vesicourethral anastomosis before the removal of the catheter. This study presents the Indiana experience with cystograms performed following radical retropubic prostatectomy. METHODS: The experience with 260 cystograms performed in 245 consecutive patients following radical retropubic prostatectomy was reviewed retrospectively, with a special reference to the clinical implications of abnormal findings. RESULTS: After a standard catheterization period of 14 to 21 days (mean, 19.2), 94.3% of the catheters were removed safely without adverse clinical consequences. The presence of a minimal contained contrast extravasation did not affect outcome after the removal of the catheter. The overall incidence of clinically significant extravasation was found to be 5.7% and was further reduced to 2.4% if extravasation was not suggested clinically in the postoperative course. CONCLUSIONS: Based on the current literature, significant extravasation is a common finding during the first 5 to 8 postoperative days. Therefore, management strategies advocating early urethral catheter removal should include routine cystographic studies. Otherwise, cystographic confirmation of anastomotic integrity before the removal of the catheter following 14 to 21 days of catheterization is not indicated in the routine postradical prostatectomy patient.

Anastomosis, Surgical↗

Cell saver and radical retropubic prostatectomy: analysis of cost-effectiveness.

OBJECTIVES: To determine the effectiveness of using cell saver suction during radical prostatectomy to decrease the risk of random donor transfusions in patients predonating blood, as well as to compare costs. METHODS: From March 1992 to October 1993, two consecutive groups of 86 patients underwent radical retropubic prostatectomy. The first group utilized predonated blood alone, and the second group utilized cell saver suction and predonated blood. The two groups were compared with respect to their transfusion records, preoperative and discharge hemoglobins, and estimated blood losses to determine the usefulness of cell saver suction during radical retropubic prostatectomy. RESULTS: There was no statistical difference in the rate of random donor blood transfusions between these two evenly matched groups of patients. The risk of receiving random donor transfusions was decreased to 5% by having 4 U of blood predonated by or for the patient prior to radical prostatectomy. CONCLUSIONS: For patients who are able to predonate blood, cell saver suction is neither cost-effective nor useful in decreasing the risk of receiving random donor blood transfusions.

Blood Transfusion, Autologous↗

Laparoscopic radical prostatectomy: assessment after 240 procedures.

Radical prostatectomy can be successfully performed by transperitoneal laparoscopy by a urologic team experienced in laparoscopy and radical prostatectomy. Operative and postoperative morbidity rates are low. Postoperative pain is minimal, allowing reduction of the length of hospital stay. The oncologic results seem satisfactory based on short-term follow-up. The improvement of the quality of intraoperative vision related to magnification of the image allows a more precise procedure. This subjective improvement of the quality of dissection should reduce the usual functional sequelae of conventional radical prostatectomy, such as incontinence and impotence. This finding needs to be confirmed by a larger series of patients with longer follow-up. Laparoscopic radical prostatectomy is now performed routinely and is proposed as a first-line surgical treatment for localized prostatic cancer at the authors' center.

Follow-Up Studies↗

Radical retropubic prostatectomy.

Historically, radical prostatectomy is a surgical technique associated with significant morbidity. The ability to minimize intraoperative bleeding and preserve continence and potency requires a comprehensive understanding of pelvic anatomy, meticulous surgical technique, and appropriate surgical instruments. The anatomic radical retropubic prostatectomy first described by Walsh in 1982 represents a technique in evolution. The detailed surgical approach for anatomic radical retropubic prostatectomy described in this article represents the author's technique that has been developed after performing over 2,000 radical prostatectomies since 1986. The step by step illustrations and description of technique are designed to aid the urologic surgeon develop an efficient approach to this surgical procedure.

Humans↗

Mortality after prostatectomy: selection and surgical approach.

Observational studies have found higher long-term mortality after transurethral prostatectomy (TURP) than after open prostatectomy (OP) and that this difference remained after statistical adjustment for comorbidity. This higher mortality has been attributed to the transurethral procedure itself. This association is reassessed here. Time-sequenced hospital and death records were analysed for 13,815 men undergoing prostatectomy (not for cancer) during the years 1963-85. TURP had a lower 30-day case-fatality rate than had OP, a similar 90-day rate, but TURP had a higher one-year rate. By inference, any excess mortality after TURP must begin shortly after the first postoperative month. However, plotting mortality expressed as SMRs, for the three years after operation showed no increase in long-term mortality after TURP, nor was there any concomitant increase in one-year death rates after prostatectomy as TURP replaced OP. Long-term mortality after TURP was close to that expected from background population rates: after SMR for TURP, for the second and third postoperative years, was 100 (95% CI 93-107). In contrast, long-term mortality after OP was lower than expected from population rates with a corresponding SMR of 79 (95% CI 71-88). The apparent excess in long-term mortality after TURP is unlikely to be caused by the operation itself. It is more likely to reflect relatively low long-term mortality in OP patients as a consequence of OP patients having been relatively fitter than those having TURP.

Aged↗

Haematogenous dissemination of prostatic epithelial cells during radical prostatectomy.

Radical prostatectomy is one treatment for organ-confined prostatic adenocarcinoma. Dissemination of malignant prostatic cells after radical prostatectomy could be partly due to prostate manipulation during dissection. We confirmed by assay of prostate-specific membrane antigen by reverse-transcription nested PCR that prostate manipulation seeded prostatic epithelial cells in the general circulation in 12 of 14 consecutive patients operated on for organ-confined prostate adenocarcinoma. Our results suggest that surgeons should approach radical prostatectomy with care to avoid seeding from the prostate gland. Antiandrogen therapy might reduce the haematogenous spread of prostatic cells during radical prostatectomy.

Adenocarcinoma↗

Effect of pelvic-floor re-education on duration and degree of incontinence after radical prostatectomy: a randomised controlled trial.

BACKGROUND: Urinary incontinence is a common long-term complication after radical prostatectomy. Spontaneous recovery of normal urinary control after surgery can take 1-2 years. We aimed to investigate whether there was any beneficial effect of pelvic-floor re-education for patients with urinary incontinence as a result of radical prostatectomy. METHODS: 102 consecutive incontinent patients who had had radical retropubic prostatectomy for clinically localised prostate cancer and who could comply with the ambulatory treatment schedule in our hospital were randomised, after catheter removal, into a treatment group (n=50) and a control group (n=52). Patients in the treatment group took part in a pelvic-floor re-education programme for as long as they were incontinent, and for a maximum of 1 year. The control group received placebo therapy. The primary endpoint was continence rate at 3 months. Incontinence was assessed objectively with the 1 h and 24 h pad tests and subjectively by the visual analogue scale. The groups were analysed on an intention-to-treat basis by ANOVA and chi2-test. FINDINGS: In the treatment group continence was achieved after 3 months in 43 (88%) of 48 patients. In the control group, continence returned after 3 months in 29 (56%) of 52 patients. At 1 year, the difference in proportion between treatment and control group was 14% (95% CI 2-27). In the treatment group improvement in both duration (log-rank test, p=0.0001) and degree of incontinence (Wald test, p=0.0010) was significantly better than in the control group. INTERPRETATION: Pelvic-floor re-education should be considered as a first-line option in curing incontinence after radical prostatectomy.

Biofeedback, Psychology↗

Transurethral prostatectomy--new trends.

Treatment for benign prostatic hypertrophy has changed drastically within the past 3 years. Two new procedures-visual laser ablation of the prostate and transurethral electrovaporization prostatectomy, as well as improvements in the transurethral prostatectomy-have resulted in decreased recovery time and early discharge. Postoperative nursing observations for the visual laser ablation of the prostate and transurethral electrovaporization prostatectomy are quite different than for the transurethral prostatectomy. Discharge teaching has become extremely important because patients are now being discharged within 24 hours and most often with a Foley catheter. Patient response to the new procedures has been positive even though there are some disadvantages.

Aged↗

[Evidence of the radical prostatectomy Gleason score in the biopsy Gleason score].

INTRODUCTION: The Gleason score (Gs) for prostatic cancer has a good prognosis correlation after radical prostatectomy, for this reason its correlation with the Gs in the biopsy can be useful. PATIENTS AND METHODS: Two hundred fifteen patients with blind evaluation among three pathologists of their Gs in biopsy and in the corresponding radical prostatectomy specimen are presented. RESULTS: The exact coincidence is present in 49.7% of cases, 38.6% of cases are under graded in the biopsy and 11.6% of them over graded in the biopsy. No cases of Gs 2 in the biopsy are found. Any case with Gs 3 and 4 in the biopsy are reproduced in the radical prostatectomy specimen. The exact coincidence for biopsy Gs 5, 6, 7, 8 and 9 are 25%, 45%, 72.7%, 36.6% and 60% respectively (kappa 0.32 +/- 0.047, p<0.0001 in Gs 5 to 8). The Gleason pattern 4 is the less diagnosed in prostate biopsies [40% of cases with this pattern in the excision specimen it is missing in the biopsy). CONCLUSIONS: The Gs in the needle prostatic biopsy has a good correspondence with the Gs in the radical prostatectomy specimen. For an increase of the reproducibility it is recommendable avoid the diagnosis of Gs 2, 3 and 4 in biopsy and a scrupulous search for the patterns 4 and 5.

Biopsy, Needle↗

[The usefulness of Ki67 expression in the biopsy specimens, to predict the biochemical progresion of the prostate cancer after radical prostatectomy].

OBJECTIVE: To evaluate the usefulness of Ki67 expression in the biopsy specimens, to predict the biochemical progression of the prostate cancer after radical prostatectomy. MATERIAL AND METHODS: We analyse the Ki67 expression in the biopsy specimens of 103 patients treated with radical prostatectomy. The mean follow up is 3.4 years (1.3-8.8 years). We correlate the biochemical progression with traditional prognostic factors as the PSA (> 10/< or = 10), Gleason (> or = 7/< 7), pT classification (pT3/pTO-2) and immunohistochemical factor Ki67 (> 3%/< or = 3%). RESULTS: Of all 103 patients, in 71 (69%) biochemical progression was not detected and in 32 (31%) biochemical progression was detected. The mean of preoperative PSA is 10.07 ng/ml in the patients without progression and 20.90 ng/ml in the patients with biochemical progression (p=0.0001). The mean of Gleason score in 6.03 in the patients without progression and 6.75 in the patients with biochemical progression (p=0.0001). The percentage of Ki67 expression is 3.95% in the patients without progression and 5.05% in the patients with biochemical progression (p=0.030). The tumors pT0-2 progressed 12/67 (17.9%) and the tumors pT3 progressed 20/36 (55.6%) (p=0.0001). Multivariant regression analysis indicate that it does not exist a statistically significant relation between Ki67 (> 3%/< or = 3%) expression in the biopsy specimens and the biochemical progression of the prostate cancer after radical prostatectomy (p=0.204). CONCLUSIONS: The immunohistochemical factor Ki67 (> 3%/< or = 3%) in the biopsy specimens, is less effective than the classic factors, PSA (> 10/< or = 10), Gleason (> or = 7/< 7) and pT classification (pT3/pT0-2), to predict the biochemical progression of the prostate cancer after radical prostatectomy.

Aged↗

[Radical prostatectomy in clinically localized prostatic adenocarcinoma. Study of patients with positive margins and their impact on survival free from biochemical progression].

OBJECTIVES: Margins involvement in T1-T2 patients undergoing radical prostatectomy is a negative prognostic factor. We aimed to: a) Study the clinical and pathological features of patients with surgical margins involvement; b) Elucidate the influence of margins involvement on the progression-free survival. MATERIAL AND METHOD: The study included the group with "positive margins" out of a series of 160 patients with localised prostate adenocarcinoma who underwent radical prostatectomy at the Clínica Universitaria de Navarra between 1988-1997. statistics used: Fisher's or Pearson's test for qualitative variables. Kaplan-Meyer, Log-rank and Cox's multivariate tests for the survival study. RESULTS: The group accounts for 28% (45/158) of all patients undergoing radical prostatectomy. Mean PSA (22 +/- 14 ng/ml) is similar to the remaining group although there is greater significant rates of PSA > 15 ng/ml (p: 0.006), worse Gleason (p: 0.01), higher proportion of T2bc (p: 0.003) and node involvement (0.001). Progression-free survival (BPFS) is significantly lower in this group (32 +/- 12% vs 61 +/- 6% at 5 years). Margins are the single factor with higher influence (RR:5) in the multivariate study. Influence is clear in patients with Gleason < 5 (0% vs 87%) and PSA < 30 ng/ml (33 +/- 14 vs 70 +/- 7%), but has no influence on BPFS of patients with PSA > 30 ng/ml or Gleason 5-10. CONCLUSIONS: Positive margins in patients undergoing radical prostatectomy is associated to higher PSA, worse Gleason and higher stage. They are the most significant independent risk factor (except for PSA > 30 ng/ml) for biochemical progression-free survival as evidenced in the multivariate study, although it is likely this influence is diluted in patients with PSA > 30 ng/ml and/or Gleason 5-10.

Adenocarcinoma↗

Clinical outcome of patients with lymph node positive prostate cancer after radical prostatectomy versus androgen deprivation.

OBJECTIVE(S): To compare the outcome of patients with stage D1 (TxN+M0) prostate cancer undergoing radical prostatectomy or androgen deprivation alone. PATIENTS AND METHODS: Eighty-two patients treated for lymph node positive prostate cancer were retrospectively analyzed for time to progression, tumor-specific and overall survival. Furthermore, subsequent tumor and treatment related morbidity requiring intervention including frequency and duration of associated hospital stays was recorded. RESULTS: The extent of lymph node metastasis was significantly lower in 50 patients undergoing radical prostatectomy (+/- early androgen deprivation) compared to 32 receiving androgen deprivation only. The treatment groups, however, did not differ with regard to other characteristics including age, comorbidity, stage, grade and preoperative PSA. Mean actuarial progression-free, and tumor-specific survival was significantly longer for the radical prostatectomy patients (36% and 47%, respectively at 10 years) compared to androgen deprivation (15% and 32%, respectively). The latter group required more secondary interventions resulting in more frequent and overall longer hospital stays. CONCLUSIONS: Patients undergoing radical prostatectomy for stage D1 prostate cancer possibly benefit with regard to the necessity for secondary interventions and, at least for limited (solitary) nodal disease, in terms of progression-free and tumor-specific survival. However, the latter observation may be biased by a larger extent of lymph node metastasis in the androgen deprivation group.

Aged↗

Prognostic significance of tumor volume after radical prostatectomy: a multivariate analysis of pathological prognostic factors.

OBJECTIVES: To analyze the association between Gleason score, stage and status of surgical margins with tumor volume in prostate cancer progression after radical prostatectomy. METHODS: 200 consecutive radical prostatectomy specimens were analyzed. Preoperative clinical stage, PSA, results of prostate biopsies as well as pathological results were noted. A biochemical recurrence was defined as a single, postoperative detectable PSA level (>0.2 ng/ml). Tumor volume was compared to postoperative staging, Gleason score, and surgical margin status to predict tumor progression. Univariate and multivariate analysis using stepwise logistic regression were used to identify parameters with additional prognostic value. RESULTS: Pathological results of the prostatectomy specimens showed 149 (74.5%) pT2a-b, 29 (14.5%) pT3a and 22 (11%) pT3b tumors. Tumor volume was 0.57 cc for pT2a, 1.2cc for pT2b, 1.7cc for pT3a and 2.9cc for pT3b, respectively (p<0.05). Taken together, mean volume for pT2 and pT3 were 1.06 and 2.2 cc, respectively (p<0.0001). Five-year progression-free actuarial survival was 69.7%. Using univariate analysis, tumor progression correlated with final Gleason score (p<0.0007), positive surgical margins (p=0.02), tumor volume (p=0.009) and stage (p<0.0001). In a multivariate analysis, tumor progression correlated only with the final Gleason score (p=0.04) and stage (p=0.0002). CONCLUSION: Gleason score and pathological stage are independent factors to predict prostate cancer progression after radical prostatectomy. When these parameters are known, tumor volume does not provide additional information.

Aged↗

Serum PSA evaluations during salvage radiotherapy for post-prostatectomy biochemical failures as prognosticators for treatment outcomes.

INTRODUCTION: Serum prostate specific antigen (PSA) levels have proved to be sensitive markers for the diagnosis of prostate cancer. In addition, PSA levels are useful for detecting and monitoring prostate cancer progression after radiotherapy. Serum PSA evaluations during radiotherapy, however, have not been well documented. In this study, we investigate the prognostic value of PSA evaluations during salvage radiotherapy for prostatectomy failures. METHODS: Forty-one patients with biochemical failures after prostatectomy treated with salvage radiotherapy consented to have their serum PSA levels evaluated at 30 Gy and 45 Gy of irradiation. All 41 patients had negative metastatic workup and pathologically uninvolved pelvic lymph nodes at the time of referral for salvage radiotherapy. Radiation therapy was delivered with 10--25 MV photons, with doses of 59.4--66.6 Gy. No patients received hormonal ablation therapy before irradiation. RESULTS: The mean follow-up for all patients was 30.9 months. At last follow-up, 28/41 patients (68.3%) were free from biochemical failure, with 20 of 41 patients (48.8%) expressing undetectable PSA levels. Serum PSA evaluations at 30 Gy did not significantly predict for either biochemical (p = 0.0917) or clinical (p = 0.106) disease-free outcome. However, serum PSA evaluations at 45 Gy significantly predicted for both biochemical (p = 0.0043) and clinical (p = 0.0244) disease-free outcomes, with PSA elevations at 45 Gy significantly associated with poor outcomes. On univariate analysis of prognosticators for biochemical failures, the following were significant: an elevation in serum PSA levels at 45 Gy, detectable serum PSA immediately after prostatectomy, Gleason score 7--10, and serum PSA level >1 ng/ml before salvage radiotherapy. CONCLUSION: Evaluation of serum PSA level at 45 Gy of salvage radiotherapy for biochemical relapses after prostatectomy may serve as a significant prognosticator for both biochemical and clinical disease-free outcomes.

Adenocarcinoma↗

Biochemical disease-free survival following adjuvant and salvage irradiation after radical prostatectomy.

PURPOSE: To present the biochemical cure rates (biochemically no evidence of disease) after external irradiation (RT) in patients with high-risk prostate cancer after radical prostatectomy. METHODS AND MATERIALS: Seventy-six patients who underwent radical prostatectomy and subsequent RT were included in this analysis. No patient received hormonal therapy. Adjuvant RT was administered in 35 patients (46%), and 41 patients (54%) underwent salvage RT. After prostatectomy, the Gleason score was <7 in 87%, and 24% had seminal vesicle invasion. The median RT dose in the adjuvant RT and salvage RT groups was 60 Gy and 65 Gy, respectively. The biochemical cure rate was defined as a serum prostate-specific antigen of < or =0.2 ng/mL. RESULTS: The overall 5-year Kaplan-Meier biochemical control rate from the end of RT was 70%. The 5-year biochemical cure rate for adjuvant RT was significantly superior to that after salvage RT (86% vs. 57%). The significant predictors of biochemical failure were seminal vesicle invasion in the adjuvant RT group and the presence of Gleason grade 4 or 5 in the salvage RT group. The clinical local control rate in the prostate bed was 100%. CONCLUSION: This report demonstrates the efficacy of RT in achieving high biochemical cure rates after radical prostatectomy. Additional clinical studies are required to determine the optimal treatment of patients at high risk of biochemical failure after postprostatectomy RT.

Aged↗

Adjuvant and salvage irradiation following radical prostatectomy for prostate cancer.

PURPOSE: We performed a retrospective analysis to assess the durability of benefit derived from irradiation after prostatectomy for pT3N0 disease, and the possibility of cure. METHODS AND MATERIALS: We studied 88 patients who were irradiated after prostatectomy and had available prostate specific antigen (PSA) data, no known nodal or metastatic disease, no hormonal treatment, and follow-up of at least 12 months from surgery. Forty patients received adjuvant therapy for a high risk of local failure with undetectable PSA. Forty-eight patients received salvage therapy for elevated PSA levels. Mean follow up was 44 months from date of surgery and 31 months from irradiation. Biochemical failure was strictly defined as a confirmed rise in PSA of >10%, or as the ability to detect a previously undetectable PSA value. RESULTS: After salvage irradiation, 69% of patients attained an undetectable PSA. Eighty-eight percent of adjuvant patients were biochemically and clinically free of disease (bNED) at 3 years from prostatectomy. Sixty-eight percent of those receiving salvage irradiation were bNED 3 years after surgery. On univariate analysis, treatment group (adjuvant or salvage), pre-operative PSA, and the status of seminal vesicles were significant prognostic factors. The extent of PSA elevation in the salvage group was also significant. We did not demonstrate a significant difference between those salvage patients referred for persistently elevated PSA as compared to those with a late rise in PSA. On multivariate analysis, the only significant predictor of outcome was treatment group, with adjuvant irradiation having better outcome than salvage. CONCLUSION: More than two-thirds of this group of patients remain biochemically disease free at 3 years following irradiation, attesting to a number of potential cures. For patients with stage pT3N0 prostate cancer following radical prostatectomy, our data support the use of either routine postoperative adjuvant irradiation or close PSA follow-up with early salvage treatment.

Aged↗

Clinical predictors of upgrading to Gleason grade 4 or 5 disease at radical prostatectomy: potential implications for patient selection for radiation and androgen suppression therapy.

PURPOSE: A survival benefit has been suggested by the Radiation Therapy Oncology Group (RTOG) for the addition of androgen suppression to external beam radiation therapy for patients with locally advanced and high-grade disease. This study was performed to identify clinical factors that predicted high-grade disease at prostatectomy (i.e., Gleason grade 4 or 5) in patients with clinically localized and low-grade disease (i.e., Gleason grades 1-3) at biopsy. These pretreatment factors may allow for the identification of patients likely to derive a survival benefit from the addition of androgen suppression to external beam radiation therapy while awaiting the results of the prospective randomized trials. METHODS AND MATERIALS: Concordance testing of both the primary and secondary biopsy and prostatectomy Gleason grades was performed in 693 patients with clinical Stage T1c, 2 prostate cancer managed with a radical prostatectomy (RP). For the subset of 420 patients with low-grade disease (i.e., Gleason grade < or =3) a logistic regression multivariable analysis was performed to evaluate the ability of the preoperative prostate-specific antigen (PSA), clinical stage, and ultrasound determined prostate gland volume to predict for upgrading to high-grade disease (i.e., Gleason grade 4 or 5). RESULTS: Forty percent of men with low-grade disease at biopsy were found to have high-grade disease at RP. Men who have at least a 50% chance of being upgraded from biopsy Gleason grade < or =3 to prostatectomy Gleason grade > or =4 disease included those with prostate gland volumes < or =75 cm3 and a PSA > 20 ng/ml or a PSA >10 and < or =20 and clinical Stage T2b,2c. For men with prostate gland volumes >75 cm3, only those with both PSA > 20 ng/ml and clinical Stage T2b,2c were at a significant risk of upgrading. CONCLUSION: Until the randomized data become available, clinical factors may be useful in identifying patients with clinically localized prostate cancer who are likely to benefit from combined androgen suppression and external beam radiation therapy.

Biopsy↗