(11)C-choline positron emission tomography/computerized tomography performs well in men with biochemical recurrence after primary treatment failure. The optimal prostate specific antigen value for lesion detection is approximately 2.0 ng/ml. We found that (11)C-choline positron emission tomography/computerized tomography substantially enhances the rate of prostate cancer lesion detection by approximately 32% beyond what can be garnered using conventional imaging techniques and at a lower prostate specific antigen value.

No abstract

Natural orifice endoscopic surgery can enable incisionless approaches, but a major challenge is the lack of small and dexterous instrumentation. Surgical robots have the potential to meet this need yet often disrupt the clinical workflow. Hand-held robots that combine thin manipulators and endoscopes have the potential to address this by integrating seamlessly into the clinical workflow and enhancing dexterity. As a case study illustrating the potential of this approach, we describe a hand-held robotic system that passes two concentric tube manipulators through a 5 mm port in a rigid endoscope for transurethral laser prostate surgery. This system is intended to catalyze the use of a clinically superior, yet rarely attempted, procedure for benign prostatic hyperplasia. This paper describes system design and experiments to evaluate the surgeon’s functional workspace and accuracy using the robot. Phantom and cadaver experiments demonstrate successful completion of the target procedure via prostate lobe resection.

No abstract

7 0 9What ' s known on the subject? and What does the study add? Despite a lack of randomised controlled trials, most men with locally advanced prostate cancer are recommended to undergo external beam radiotherapy (EBRT), often combined with long-term androgen-deprivation therapy (ADT). Many of these men are not offered radical prostatectomy (RP) by their treating urologist. Additionally, it is know that EBRT with long-term ADT does provide good cancer control (88% at 10 years). We have previously published intermediate-term follow-up of a large series of men treatment with RP for cT3 prostate cancer.We report long-term follow-up of a large series of men treated with RP as primary treatment for cT3 prostate cancer. Our study shows that with long-term follow-up RP provides excellent oncological outcomes even at 20 years. While most men do require a multimodal treatment approach, many men can be managed successfully with RP alone. OBJECTIVE• To present long-term survival outcomes after radical prostatectomy (RP) for patients with cT3 prostate cancer, as the optimal treatment for patients with clinical T3 prostate cancer is debated. PATIENTS AND METHODS• We identifi ed 843 men who underwent RP for cT3 tumours between 1987 and 1997.• Survival was estimated using the Kaplan -Meier method.• Cox proportional hazards regression models were used to evaluate the association of clinicopathological features with outcome RESULTS• The median (range) postoperative follow-up was 14.3 (0.1 -23.5) years.• Down-staging to pT2 disease occurred in 26% (223/843) at surgery.• Local recurrence-free, systemic progression-free and cancer-specifi c survival for men with cT3 prostate cancer after RP was 76%, 72%, and 81%, respectively, at 20 years.• On multivariate analysis, increasing RP Gleason score (hazard ratio [ HR ] 1.8; P = 0.01), non-diploid chromatin content (HR 1.8; P = 0.01), positive surgical margins (HR 2.1; P = 0.007), and seminal vesicle invasion (HR 2.1; P = 0.005) were associated with a signifi cant risk of prostate cancer death, while a more recent year of surgery was associated with a decreased risk of cancer-specifi c mortality (HR 0.88; P = 0.01) CONCLUSIONS• RP affords accurate pathological staging and may be associated with durable cancer control for cT3 prostate cancer, with 20 years of follow-up presented here.• RP as part of a multimodal treatment strategy therefore remains a viable treatment option for patients with cT3 tumours. KEYWORDS

No abstract

A low overall rate of ureteral access failure in unstented patients is shown. Young female patients and proximal ureteral stones were less likely to be accessed primarily. This study provides information that will help urologists counsel their patients preoperatively regarding their likelihood of failing primary URS necessitating a second procedure. This will also help the patient to make an informed decision during the consent process and may guide urologists on selective prestenting in higher risk patients.

With judicious use of ischemia partial nephrectomy, even for more complex tumors, has short-term renal function outcomes similar to those of percutaneous ablation.