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United States Preventive Services Task ForceView Articles

Volume 20, Number 2Original Research

Prostate Biopsy Characteristics: A Comparison Between the Pre- and Post-2012 United States Preventive Services Task Force (USPSTF) Prostate Cancer Screening Guidelines

Navin ShahVladimir IoffeThomas HuebnerIvelina Hristova

To compare prostate cancer (PCa) characteristics diagnosed by prostate biopsy (Pbx) in the 3 years before and after the 2012 United States Preventive Services Task Force (USPSTF) recommendations for PCa screening, we completed a retrospective comparative analysis of 402 sequential PCa patients diagnosed from 2010 to 2012 (3 years) with 552 PCa patients diagnosed from 2015 to 2017 (3 years). Data was collected on patient age, race, total number of biopsies performed, prostate specific antigen (PSA), Gleason sum score (GSS), and digital rectal examination (DRE). The data was analyzed to determine whether the 2012 USPSTF screening recommendations affected PCa characteristics. Two study groups were defined, Group A and Group B, prior to and after the 2012 USPSTF screening recommendations, respectively. In Group A (pre- 2012 USPSTF recommendations), 567 patients/year underwent a Pbx versus Group B, 398 patients/year, a 30% reduction post-USPSTF. The annual positive Pbx rate for Group A is 134/year versus Group B 184/year, a 37.3% increase post-USPSTF. Group A had high-grade PCa (GSS 7-10) in 51.5% versus Group B in 60.1%, an 8.6% increase post-USPSTF. In Group B, the total number of positive biopsies was increased by 100%. This study shows that in Group B, the Pbx rate decreased by 30% but the annual PCa detection rate increased by 37%. High-grade GSS (7-10) PCa increased by 8.6%. Despite a reduction in the total number of prostate biopsies by 30%, there was a 100% increase in the total number of positive prostate biopsies. [Rev Urol. 2018;20(2):77–83 doi: 10.3909/riu0793] © 2018 MedReviews®, LLC

Prostate cancerUnited States Preventive Services Task ForcePSA screening

Upper urinary tractView Articles

Volume 15, Number 4Review Articles

Intracavitary Immunotherapy and Chemotherapy for Upper Urinary Tract Cancer: Current Evidence

Systematic Review

Luca CarmignaniRoberto BianchiGabriele CozziNicola MacchioneCarlo MarenghiSara MelegariMarco RossoElena TondelliAugusto MaggioniAngelica Grasso

A review of the literature was performed to summarize current evidence regarding the efficacy of topical immunotherapy and chemotherapy for upper urinary tract urothelial cell carcinoma (UUT-UCC) in terms of post-treatment recurrence rates. A Medline database literature search was performed in March 2012 using the terms upper urinary tract, urothelial cancer, bacillus Calmette-Guérin (BCG), and mitomycin C. A total of 22 full-text articles were assessed for eligibility, and 19 studies reporting the outcomes of patients who underwent immunotherapy or chemotherapy with curative or adjuvant intent for UUT-UCC were chosen for quantitative analysis. Overall, the role of immunotherapy and chemotherapy for UUT-UCC is not firmly established. The most established practice is the treatment of carcinoma in situ (CIS) with BCG, even if a significant advantage has not yet been proven. The use of BCG as adjuvant therapy after complete resection of papillary UUT-UCC has been studied less extensively, even if recurrence rates are not significantly different than after the treatment of CIS. Only a few reports describe the use of mitomycin C, making it difficult to obtain significant evidence. [Rev Urol. 2013;15(4):145-153 doi: 10.3909/riu0579] © 2014 MedReviews®, LLC

ImmunotherapyChemotherapyBacillus Calmette-GuérinUpper urinary tractUrothelial cell carcinomaMitomycin C

UreterorenoscopyView Articles

Volume 16, Number 1Review Articles

Calyceal Diverticula: A Comprehensive Review

Disease State Review

Zeph OkekeNikhil WaingankarSamih HayekArthur D Smith

Calyceal diverticula are rare outpouchings of the upper collecting system that likely have a congenital origin. Stones can be found in up to 50% of calyceal diverticula, although, over the combined reported series, 96% of patients presented with stones. Diagnosis is best made by intravenous urography or computed tomography urogram. Shock wave lithotripsy (SWL) is an option for first-line therapy in patients with stone-bearing diverticula that have radiologically patent necks in mid- to upper-pole diverticula and small stone burdens. Stone-free rates are the lowest with SWL, although patients report being asymptomatic following therapy in up to 75% of cases with extended follow-up. Ureteroscopy (URS) is best suited for management of anteriorly located mid- to upper-pole diverticular stones. Drawbacks to URS include difficulty in identifying the ostium and low rate of obliteration. Percutaneous management is best used in posteriorly located mid- to lower-pole stones, and offers the ability to directly ablate the diverticulum. Percutaneous nephrolithotomy remains effective in the management of upper-pole diverticula, but carries the risk of pulmonary complications unless subcostal access strategies such as triangulation or renal displacement are used. Laparoscopic surgery provides definitive management, but should be reserved for cases with large stones in anteriorly located diverticula with thin overlying parenchyma, and cases that are refractory to other treatment. This article reviews the current theories on the pathogenesis of calyceal diverticula. The current classification is examined in addition to the current diagnostic methods. Here we summarize an extensive review of the literature on the outcomes of the different treatment approaches. [ Rev Urol. 2014;16(1):29-43 doi: 10.3909/riu0581] © 2014 MedReviews®, LLC

UreterorenoscopyCalyceal diverticulaPercutaneous nephrostolithotomyLaparoscopic surgeryShock wave lithotripsy