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Herbert Lepor

Publications and source records attributed to Herbert Lepor.

At least 37 records · Page 2Linked to original sources

Pathophysiology of benign prostatic hyperplasia in the aging male population.

Nearly all men will develop histological benign prostatic hyperplasia by the age of 80, but the degree of prostatic enlargement resulting from the hyperplasia is highly variable. Historically, it has often been assumed that the pathophysiology of lower urinary tract symptoms (LUTS) in men is the result of bladder outlet obstruction associated with prostatic enlargement. The observation that prostatic enlargement, bladder outlet obstruction, and LUTS are all age-dependent has been interpreted to indicate that these phenomena were causally related, but there is insufficient evidence for this. Undoubtedly, some men' prostatic enlargement causes obstruction and symptoms. Based upon the available data, however, this subset appears to be extremely small. Because of the many urological and nonurological conditions that cause LUTS and age-dependent changes in bladder and neurological function, it is unlikely that there exists a single dominant etiology for the aging male population. If this is the case, then the optimal management of LUTS will require different and possibly combination therapies.

Journal Article↗

Pathophysiology of lower urinary tract symptoms in the aging male population.

Nearly all men will develop histological benign prostatic hyperplasia by the age of 80, but the degree of prostatic enlargement resulting from the hyperplasia is highly variable. Historically, it has often been assumed that the pathophysiology of lower urinary tract symptoms (LUTS) in men is the result of bladder outlet obstruction associated with prostatic enlargement. The observation that prostatic enlargement, bladder outlet obstruction, and LUTS are all age-dependent has been interpreted to indicate that these phenomena were causally related, but there is insufficient evidence for this. Undoubtedly, some men's prostatic enlargement causes obstruction and symptoms. Based on the available data, however, this subset appears to be extremely small. Because of the many urological and nonurological conditions that cause LUTS and age-dependent changes in bladder and neurological function, it is unlikely that there exists a single dominant etiology for the aging male population. If this is the case, then the optimal management of LUTS will require different and possibly combination therapies.

Journal Article↗

Role of intraoperative biopsies during radical retropubic prostatectomy.

OBJECTIVES: To determine the value of intraoperative biopsy during radical retropubic prostatectomy. METHODS: Between October 2000 and August 2002, 500 men with clinically localized prostate cancer underwent radical retropubic prostatectomy by a single surgeon. A 2 to 3-mm circumferential biopsy was routinely obtained from the apical and bladder neck soft-tissue margin and submitted for frozen section examination. In selective cases suspicious for capsular incision, a biopsy was sent from what was believed to be the contiguous neurovascular bundle/lateral pedicle. RESULTS: Prostate cancer was observed in 4.5%, 0.8%, and 1.6% of the intraoperative biopsies sent from the apical, bladder neck, and neurovascular bundle/lateral pedicle soft-tissue margins, respectively. Patient age, Gleason score, perineural invasion on diagnostic prostate biopsy, and clinical stage were not associated with prostate cancer at the apical soft-tissue margin. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of the surgical specimen to predict cancer in the apical soft-tissue margin was 57.7%, 98.2%, 62%, 97.7%, and 96%, respectively. Intraoperative biopsy of the apical soft-tissue margin reduced the positive margin rate by 3.8%. CONCLUSIONS: The yield of intraoperative biopsy of the bladder neck and neurovascular bundle/lateral pedicle is too low to justify it in routine practice. Biopsy of the apical soft tissue should be routinely performed to reduce the positive surgical margin rate.

Adenocarcinoma↗

Continence following radical retropubic prostatectomy using self-reporting instruments.

PURPOSE: We performed a global self-assessment of continence following radical retropubic prostatectomy (RRP) and determined how this global self-assessment of continence correlates with commonly used definitions of continence. MATERIALS AND METHODS: Between October 2000 and February 2002 all men who underwent RRP were encouraged to complete the University of California-Los Angeles Prostate Cancer Index 3, 6, 12 and 24 months postoperatively. Beginning October 2002 a single question capturing the patient global self-assessment of continence status was added to the postoperative continence assessment. The study design was cross-sectional since only continence surveys submitted between October 2002 through February 2003 were evaluated. Sensitivity, specificity and kappa coefficient was determined for the relationship between the patient global assessment of continence vs the definition of continence based on pad requirement, problem due to incontinence and frequency of incontinence. RESULTS: Continence progressively improved 3 to 24 months following RRP for all continence outcomes. At 24 months following RRP 97.1% of men considered themselves continent, while 97.1%, 94.1% and 97.1% were considered continent using continence definitions, including the requirement of no or 1 pad in a 24-hour interval, no or slight bother due to incontinence and total control or occasional dribbling, respectively. Our 3 definitions of continence derived from responses to the University of California-Los Angeles Prostate Cancer Index had excellent agreement with patient global self-assessment of continence (kappa coefficients between 0.76 and 0.83). CONCLUSIONS: The majority of men achieve continence without invasive intervention following RRP. Final continence status should be ascertained at 24 months. The patient global assessment of continence provides face validity for other definitions of continence based on responses to validated self-administered questionnaires.

Adult↗

The impact of open radical retropubic prostatectomy on continence and lower urinary tract symptoms: a prospective assessment using validated self-administered outcome instruments.

PURPOSE: We determined the impact of radical retropubic prostatectomy on continence and lower urinary tract symptoms (LUTS). MATERIALS AND METHODS: Between October 2000 and August 2002, 500 men with clinically localized prostate cancer underwent radical retropubic prostatectomy by a single surgeon, and completed the UCLA Prostate Cancer Index and American Urological Association (AUA) symptom index at baseline, 3, 6, 12 and 24 months after radical prostatectomy. Univariate analysis was performed to identify factors predisposing the early return of continence. RESULTS: A total of 100%, 98.3%, 97.1%, 94.2% and 98.6% of patients filled out the UCLA Prostate Cancer Index and AUA symptom index at baseline, and 3, 6, 12 and 24 months, respectively. Based on protective pad requirement or frequency of incontinence 100%, 90.9%, 87.2%, 92.1% and 98.5% vs 98.8%, 80.6%, 91.2%, 95.2% and 98.5% of men were continent at baseline, 3, 6, 12 and 24 months after surgery, respectively. Age, severity of lower urinary tract symptoms, Gleason score, nerve sparing status, blood loss or presence of benign prostatic tissue in the apical soft tissue margin did not predict early return of continence. All of the individual urinary symptoms captured by the AUA symptom score showed significant improvement after radical retropubic prostatectomy. Radical prostatectomy was associated with a mean 5.4 unit decrease in AUA symptom score (40% decrease) in men with baseline moderate/severe LUTS (AUA symptom score 8 or greater). CONCLUSIONS: The majority of men regain continence after radical retropubic prostatectomy and maximal continence is achieved by 24 months. No factors were identified that predicted early return of continence in our cohort of men undergoing radical prostatectomy. Radical prostatectomy has a clinically significant impact on improving LUTS.

Humans↗

The prostatic utricle is not a Müllerian duct remnant: immunohistochemical evidence for a distinct urogenital sinus origin.

PURPOSE: The embryological origin of the utricle is thought to be a remnant of the fused caudal ends of the müllerian ducts (MDs). Others propose that the urogenital sinus (UGS) contributes either partially or totally to the development of this structure. Using immunohistochemical probes, we provide strong evidence that the utricle is of UGS origin only. MATERIALS AND METHODS: Human fetal prostates, gestational ages 9 to 24 weeks, were serially cross-sectioned. Representative sections were stained with antibodies to p63 (basal cell marker), vimentin (mesoderm marker), uroplakins (marker for urothelium) Pax-2 (expressed in ductal and mesenchyme of urogenital system including the MDs and wolffian ducts) and Ki67 (proliferation). Apoptosis was detected with the TUNEL assay. RESULTS: By 9 weeks there was weak expression of p63 in the basal layer of the UGS. At 11 weeks there was increased staining of p63 in the UGS and some p63 staining of the fused MDs, which expressed Pax-2 at this time. At 14 to 15 weeks as the MDs were undergoing apoptosis, there was an ingrowth of uroplakin-expressing UGS epithelium into the periurethral stroma, which formed a plate of p63 positive cells just beneath the UGS that was Ki67 positive. The remaining caudal MD epithelium was p63 negative and expressed vimentin and Pax-2. By 17 weeks the plate of p63 positive cells elongated forming the utricle that remained p63 positive but Pax-2 and vimentin negative. CONCLUSIONS: We show that the utricle forms as an ingrowth of specialized cells from the dorsal wall of the UGS as the caudal MDs regress.

DNA-Binding Proteins↗

Impact of fusion of indium-111 capromab pendetide volume data sets with those from MRI or CT in patients with recurrent prostate cancer.

OBJECTIVE: Our goal was to evaluate the impact of image fusion on the interpretation of indium-111 Prosta-Scint SPECT scans. MATERIALS AND METHODS: Sixty-seven consecutive patients referred for rising prostate-specific antigen (PSA) levels after initial therapy for primary prostate cancer underwent SPECT 96 hr after infusion of (111)In Prosta-Scint, with simultaneous technetium-99m blood pool imaging. Volume data sets from the SPECT scans were then fused with those from CT and MR images of the pelvis using a 3D landmark-based warping program. The SPECT scans were initially interpreted without benefit of MRI or CT fusion. The fused Prosta-Scint MRI-CT volumes were reevaluated by a nuclear radiologist and an MRI radiologist. Independent reviews before and after fusion were available in these patients. Validation of results after fusion was performed through correlation with PSA changes after radiation therapy. RESULTS: Six patients with sites that could not be evaluated and three without their original Prosta-Scint scanning reports were excluded; thus, 58 patients were studied clinically. Seventy-four of 161 prefusion-positive sites were found to be negative after fusion. These 74 sites subsequently were identified primarily as showing bowel, vessel, or marrow uptake after fusion. In two patients, nodal disease was identified although the review before perfusion indicated none. Twenty-five patients previously thought to have nodal disease appeared to have only local disease after fusion. After local radiation therapy, PSA levels decreased in 12 of 25 patients, increased in five, and were unavailable in eight. CONCLUSION: Although Prosta-Scint SPECT alone can help in the proper management of recurrent prostate cancer, fusion with MRI-CT of the pelvis can improve the specificity of the examination.

Aged↗

Evaluating men with benign prostatic hyperplasia.

The clinical manifestations of benign prostatic hyperplasia (BPH) include lower urinary tract symptoms (LUTS), poor bladder emptying, urinary retention, detrusor instability, urinary tract infection, hematuria, and renal insufficiency. However, the majority of men with BPH present with LUTS only. Because LUTS can indicate a variety of conditions, evaluation of symptomatic men must first aim to identify or exclude BPH and, if present, assess its severity. It is important to assess symptom severity at baseline and during follow-up, using the American Urological Association Symptom Index or the International Prostate Symptom Score. Further testing can then be tailored to narrow the diagnosis and guide treatment decisions. Factors such as patient age and concomitant malignancy will also affect management, but the main goal of treatment remains the improvement of quality of life for the patient.

Journal Article↗

Management of clinically localized prostate cancer.

Critics of screening have stated that early detection of prostate cancer does not necessarily reflect a diminishing death rate from the disease. However, several recent reports have demonstrated that the death rate from prostate cancer is decreasing, representing the most compelling validation for aggressive screening. Prostate cancer can be halted only if there is no evidence of systemic or regional metastases and the disease is confined to the surgical field or the radiation template. Surgeons and radiation oncologists must make a concerted effort to exclude men with regional and systemic metastases who are unlikely to benefit from treatment. With the widespread acceptance of prostate-specific antigen screening, a greater proportion of men are being diagnosed with clinically localized prostate cancer. Both radical prostatectomy and radiation therapy are able to halt disease spread in this significant subset of men, but survival outcomes indicate that radical prostatectomy is a more reliable treatment than radiation therapy for clinically localized prostate cancer. Overall, the immediate treatment-related morbidity of radical prostatectomy and radiation therapy in the modern era is quite low. Radical prostatectomy and radiation therapy appear to have a similar impact on continence and erectile function. There is a need for neoadjuvant and adjuvant therapies that can be utilized in those cases where radical prostatectomy and radiation are less likely to completely eradicate or destroy the cancer.

Journal Article↗

Pathophysiology, epidemiology, and natural history of benign prostatic hyperplasia.

The pathophysiology, epidemiology, and natural history of benign prostatic hyperplasia (BPH) are incompletely understood; however, the development of reliable instruments to measure symptom severity, prostatic enlargement, and bladder outlet obstruction has allowed major advances in their elucidation. The development of lower urinary tract symptoms (LUTS) in the aging male is influenced to some degree by the severity of bladder outlet obstruction and prostatic enlargement. Although the development of LUTS, bladder outlet obstruction, and BPH are age-dependent, they are not necessarily causally related; there are many other factors involved in the pathophysiology of LUTS. The clinically important parameters of disease progression in men with moderate to severe LUTS and low peak flow rates are symptom progression and the development of acute urinary retention (AUR). The risk of AUR is related to both baseline serum prostate-specific antigen level and prostate volume. In men with moderate prostate enlargement, the risk of AUR appears to be high enough to justify intervention with a 5alpha-reductase inhibitor in order to reduce this risk.

Journal Article↗

The long-term effect of doxazosin, finasteride, and combination therapy on the clinical progression of benign prostatic hyperplasia.

BACKGROUND: Benign prostatic hyperplasia is commonly treated with alpha-adrenergic-receptor antagonists (alpha-blockers) or 5alpha-reductase inhibitors. The long-term effect of these drugs, singly or combined, on the risk of clinical progression is unknown. METHODS: We conducted a long-term, double-blind trial (mean follow-up, 4.5 years) involving 3047 men to compare the effects of placebo, doxazosin, finasteride, and combination therapy on measures of the clinical progression of benign prostatic hyperplasia. RESULTS: The risk of overall clinical progression--defined as an increase above base line of at least 4 points in the American Urological Association symptom score, acute urinary retention, urinary incontinence, renal insufficiency, or recurrent urinary tract infection--was significantly reduced by doxazosin (39 percent risk reduction, P<0.001) and finasteride (34 percent risk reduction, P=0.002), as compared with placebo. The reduction in risk associated with combination therapy (66 percent for the comparison with placebo, P<0.001) was significantly greater than that associated with doxazosin (P<0.001) or finasteride (P<0.001) alone. The risks of acute urinary retention and the need for invasive therapy were significantly reduced by combination therapy (P<0.001) and finasteride (P<0.001) but not by doxazosin. Doxazosin (P<0.001), finasteride (P=0.001), and combination therapy (P<0.001) each resulted in significant improvement in symptom scores, with combination therapy being superior to both doxazosin (P=0.006) and finasteride (P<0.001) alone. CONCLUSIONS: Long-term combination therapy with doxazosin and finasteride was safe and reduced the risk of overall clinical progression of benign prostatic hyperplasia significantly more than did treatment with either drug alone. Combination therapy and finasteride alone reduced the long-term risk of acute urinary retention and the need for invasive therapy.

5-alpha Reductase Inhibitors↗

Stromal/epithelial interactions of murine prostatic cell lines in vivo: a model for benign prostatic hyperplasia and the effect of doxazosin on tissue size.

BACKGROUND: One of the major constraints in elucidating the mechanisms involved in the etiology of benign prostatic hyperplasia (BPH) is the lack of suitable model systems that are readily manipulable in vitro and in vivo. To address this issue, we have used murine prostatic cell lines to establish a novel in vivo model for studying prostatic cell interactions. METHODS: Luminal, basal, and smooth muscle (SM) cell lines were inoculated alone or in combinations under the renal capsule of intact or castrated male mice, and the growth and composition of prostatic tissue in the absence or presence of doxazosin was determined. RESULTS: Both the luminal and basal cell lines reconstituted prostatic tissue if co-inoculated under the renal capsule with normal SM cells, whereas none of the lines formed significant tissue when inoculated alone. Luminal cells produced and secreted prostatic secretory products. The growth of prostatic tissue formed from co-inoculation of basal and SM cells was androgen responsive. In addition, a significant reduction in prostatic tissue was noted in animals treated with doxazosin. CONCLUSION: We have established an in vivo model that uses prostatic epithelial and SM cell lines for investigating cellular interactions between epithelial and SM cells that regulate prostatic growth and function. This model will be useful for delineating the mechanisms by which prostatic cells interact and in determining the efficacy of new approaches aimed at interfering with prostatic stromal/epithelial interactions that result in abnormal cellular proliferation.

Adrenergic alpha-Antagonists↗

Volume indexes of total, free, and complexed prostate-specific antigen enhance prediction of extraprostatic disease extension in men with nonpalpable prostate cancer.

OBJECTIVES: To analyze the ability of volume-adjusted total, complexed, and free prostate-specific antigen (PSA) to predict organ-confined cancer at radical prostatectomy in patients with nonpalpable disease. METHODS: Collected sera were assayed for total PSA (tPSA), complexed PSA (cPSA), and free PSA (fPSA) in 78 men who underwent radical prostatectomy with nonpalpable prostate cancer. The pathologic results (organ-confined versus extraprostatic extension [EPE]), tPSA, cPSA, fPSA/tPSA ratio, cPSA/tPSA ratio, fPSA/cPSA ratio, tPSA density (tPSAD), cPSA density (cPSAD), and fPSA density (fPSAD) were compared by the Mann-Whitney U test and receiver operating characteristic curves. RESULTS: Fifteen men (19.2%) had pathologic EPE. After stratifying the patients on the basis of the Beckman tPSA, the cPSAD, tPSAD, and fPSAD were significant predictors of EPE when comparing their respective medians in individuals with tPSA greater than 4.0 ng/mL. Statistically significant differences were noted between patients with and without EPE for tPSAD (P = 0.0015), cPSAD (P = 0.0018), and fPSAD (P = 0.0022), but not for the fPSA/tPSA, cPSA/tPSA, and fPSA/cPSA ratios. The area under the receiver operating characteristic curve was similar for tPSA (0.539) and cPSA (0.542), as it was for tPSAD (0.708), cPSAD (0.700), and fPSAD (0.731). The specificity and diagnostic accuracy of tPSAD, cPSAD, and fPSAD were significantly greater than those of tPSA and cPSA (specificity P <0.001; diagnostic accuracy P <0.05). CONCLUSIONS: In men with nonpalpable prostate cancer, the density parameters of tPSA, cPSA, and fPSA performed equivalently and appeared to enhance the predictability of EPE.

Adenocarcinoma↗

Removal of urinary catheter on postoperative day 3 or 4 after radical retropubic prostatectomy.

OBJECTIVES: To determine the feasibility and safety of removing the urinary catheter on postoperative day (POD) 3 or 4 after radical retropubic prostatectomy (RRP). METHODS: Between January 2001 and August 2001, gravity cystography was performed on POD 3 or 4 after RRP by a single surgeon (H.L.) on 151 men. The urinary catheter was removed on POD 3 or 4 providing no extravasation was evident on cystography. Urinary catheters were replaced over a guidewire placed into the bladder under flexible cystoscopic guidance in cases of acute urinary retention (AUR). Continence was assessed at 3 months after RRP. RESULTS: Of the 151 cystograms performed on POD 3 or 4, 116 (76.8%) revealed no evidence of extravasation. The indwelling catheters were removed in 114 of these cases (98.3%). Twenty-two (19.3%) of the 114 men whose catheters were removed on POD 3 or 4 developed AUR within 48 hours of catheter removal, requiring catheter replacement. Two of these patients required repeated surgery secondary to complications related to AUR. At 3 months after RRP, 75% of the men whose catheters were removed on POD 3 or 4 required no pads or a single pad during a 24-hour interval, and 77.6% reported none or slight bother from incontinence. Of the 37 men whose catheters were removed on POD 7 or later, 1 patient (2.7%) developed AUR, and the catheter was replaced without complications. At 3 months after RRP, 65.7% of men whose catheters were removed on POD 7 or later required no pads or a single pad during a 24-hour interval, and 71.4% reported none or slight bother from incontinence. The incidence of anastomotic stricture in men whose catheters were removed on POD 3 or 4 and POD 7 or later was 12.1% and 22.6%, respectively. CONCLUSIONS: Most men will have a watertight anastomosis on POD 3 or 4 after RRP. Early catheter removal does not have a negative impact on continence or the rate of anastomotic strictures. Because of the high incidence of AUR, requiring replacement of the urinary catheter, and the potential for disruption of the anastomosis or bladder neck reconstruction, we currently recommend delaying catheter removal until POD 7 or later.

Anastomosis, Surgical↗

Influence of body weight and prostate volume on intraoperative, perioperative, and postoperative outcomes after radical retropubic prostatectomy.

OBJECTIVES: To determine the influence of body weight and prostate volume on surgical outcomes after radical retropubic prostatectomy. METHODS: Between January 1994 and July 2000, 1024 men underwent radical retropubic prostatectomy by a single surgeon. Information was collected on body weight, prostate volume, operative time, estimated blood loss, allogenic transfusion rate, intraoperative complications, perioperative complications, postoperative complications, surgical margin status, and length of hospital stay. Postoperative continence and erectile function were assessed from self-administered questionnaires. RESULTS: Body weight was not significantly related to operative time (P = 0.09), estimated blood loss (P = 0.12), allogenic transfusion rate (P = 0.49), intraoperative complications (P = 0.37), perioperative complications (P = 0.84), postoperative complications (P = 0.44), positive margin rate (P = 0.07), length of hospital stay (P = 0.27), postoperative continence (P = 0.72), or postoperative erectile function (P = 0.92). The prostate volume was significantly and directly related to the estimated blood loss (P = 0.02), allogenic transfusion rate (P = 0.01), and length of hospital stay (P = 0.01). The prostate volume was significantly and inversely related to the positive surgical margin rate (P = 0.03). The prostate volume was not significantly related to the operative time (P = 0.12), intraoperative complications (P = 0.68), perioperative complications (P = 0.73), postoperative complications (P = 0.14), postoperative continence (P = 0.23), or postoperative erectile function (P = 0.90). CONCLUSIONS: No clinically relevant risks were associated with increasing body weight. Intraoperative bleeding resulting in higher transfusion rates represented the only clinically significant outcome that was adversely impacted by prostate volume. In the hands of experienced surgeons, radical retropubic prostatectomy can be performed in heavy men and in men with large prostates with excellent outcomes.

Aged↗

Tamsulosin reduces the incidence of acute urinary retention following early removal of the urinary catheter after radical retropubic prostatectomy.

OBJECTIVES: To determine the efficacy of tamsulosin in preventing acute urinary retention following early catheter removal after radical retropubic prostatectomy. METHODS: Between February 2000 and October 2000, cystography was performed on postoperative day 7 after radical retropubic prostatectomy by a single surgeon (group 1). Between September 2001 and August 2002, cystography was performed on postoperative day 8 after radical retropubic prostatectomy by the same surgeon (group 2). The protocol for performing cystography and assessment of extravasation was similar for both groups. Tamsulosin 0.4 mg was administered 3 days before and 4 days after cystography for all men in group 2. RESULTS: Of 179 cystograms in group 1, 135 (75%) revealed no extravasation, and the catheters were removed in 130 of these cases. Of 246 cystograms in group 2, 230 (93.5%) revealed no extravasation, and the catheters were removed in 229 of these cases. A significantly greater proportion of men in group 2 had no extravasation (P = 0.0007). The incidence of acute urinary retention in groups 1 and 2 was 10% and 2.6%, respectively (P = 0.0018). The incidence of anastomotic stricture was not significantly different between the two groups. CONCLUSIONS: Our data strongly suggest that tamsulosin significantly reduces the risk of acute urinary retention after attempts at early catheter removal following radical retropubic prostatectomy. Therefore, we recommend administering a 7-day course of tamsulosin therapy when attempting to remove the urinary catheter before postoperative day 8.

Acute Disease↗

Contemporary evaluation of operative parameters and complications related to open radical retropubic prostatectomy.

OBJECTIVES: To determine the impact of recent advances in surgical technique, management, and early detection on outcome after open radical retropubic prostatectomy. METHODS: Between October 2000 and August 2002, 500 men with clinically localized prostate cancer underwent radical retropubic prostatectomy by a single surgeon (H.L.). One of the unique aspects of this prospective outcomes analysis was that both data acquisition and entry were conducted totally independent of the primary surgeon. RESULTS: The mean operative and prostatectomy time was 142.9 and 65.2 minutes, respectively. A single ureteral injury was the only intraoperative complication. The overall incidence of pulmonary embolus and/or deep vein thrombosis was 0.4%. The overall risk of allogeneic transfusion was 4.6%. The mean length of hospital stay was 2.11 +/- 0.04 days. Of the catheters, 83.6% were removed by postoperative day 8. The positive surgical margin rate was 8%. CONCLUSIONS: In the hands of experienced surgeons, outcomes after open radical prostatectomy are excellent. Laparoscopic and robotic prostatectomy must be compared with concurrent experiences with open radical prostatectomy.

Adenocarcinoma↗