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A urinary tract infection (UTI) and sepsis secondary to an obstructing stone are one of the few true urological emergencies. The accepted management of infected ureteral stones includes emergent decompression of the collecting system as well as antibiotic therapy. Despite this, no consensus guidelines clarify the optimal time to undergo definitive stone management following decompression. Historically, our institution has performed ureteroscopy with laser lithotripsy (URS-LL) treatment at least 1 to 2 weeks after decompression to allow for clinical improvement and completion of an antibiotic course. In this case series, we retrospectively review four cases in which patients had a documented UTI secondary to an obstructive ureteral stone. The patients underwent urgent decompression and, based on labs and clinical improvement, were subsequently treated with URS-LL. The presented patients received URS-LL within 5 days of decompression and antibiotics. The patients had no sepsis related postoperative complications from the accelerated course of treatment, resulting in discharge within 2 days following URS-LL. We provide a detailed examination of each patient presentation to describe our institution's experience with treating infected kidney stones within days of urgent decompression in order to question the previous standard of treating an infected kidney stone with a more delayed intervention.

Prostatic blue nevus is a rare benign pathologic diagnosis most commonly diagnosed incidentally on many different types of prostate specimens. Blue nevus is the deposition of stromal melanin characterized by spindle cells within the fibromuscular stroma which stains positive for melanin-specific stains Fontana-Masson and S100 and stains negative for CD68, HMB45, and iron stains. We report the case of a multifocal and bilateral blue nevus in a 52-year-old Hispanic male who presented with an elevated prostate-specific antigen of 4.3 and mild obstructive lower urinary tract symptoms, found by transrectal ultrasound-guided prostate needle biopsy. The biopsy also revealed benign prostatic tissue with postatrophic hyperplasia and chronic inflammation. This is the 35th reported case of prostatic blue nevus and the third to show multifocal blue nevus.

455 Background: Earlier studies on the cost of muscle-invasive bladder cancer treatments are limited to short-term periods of cost. Our study objective is to compare the 2- and 5-year costs associated with trimodal therapy (TMT) versus radical cystectomy (RC) benchmarked against costs for patients who received no curative treatment. Methods: This cohort study used the Surveillance, Epidemiology, and End Results (SEER)-Medicare database. Medicare expenditures were summed from inpatient, outpatient, and physician services within 2 and 5 years of diagnosis to determine total costs Total Medicare costs at 2-and 5-years following TMT versus RC were compared using inverse probability of treatment-weighted (IPTW) propensity score models. Results: A total of 2,537 patients aged 66-85 years diagnosed with clinical stage T2-4a muscle-invasive bladder cancer from January 1, 2002 through December 31, 2009. Total median costs for patients that received no definitive/systemic treatments (RC, TMT, radiotherapy alone, or chemotherapy alone) were $73,780 vs. $88,275 at 2-and 5-years respectively. Total median costs were significantly higher for TMT than RC at 2-years ($372,839 vs. $191,363, p<0.001) and 5-years ($424,570 vs. $253,651, p<0.001), respectively. TMT had higher outpatient median costs than RC (2-yr: $318,221 vs. $100,900; 5-yr: $367,092 vs. $146,561) with significantly higher costs largely associated with radiology, medications, pathology/laboratory, and other professional services. Conclusions: TMT vs. RC was associated with higher long-term costs among patients with muscle-invasive bladder cancer largely driven by outpatient expenditures. Reduction in costs associated with radiology, medications, pathology/laboratory, and other professional services may improve the value of TMT.[Table: see text]