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PURPOSE To analyze the role of negative versus positive immunoexpression of E-cadherin in recurrence rate of low-grade bladder tumors. MATERIALS AND METHODS A total of 180 patients with unifocal, superficial, low-grade, papillary transitional cell carcinoma of the bladder were included in this study. The E-cadherin expression was evaluated using(More)
PURPOSE To evaluate the efficacy of transvesical obturator nerve block (ONB) in the prevention of obturator nerve reflex and leg jerking during transurethral resection of bladder tumors (TURBT). PATIENTS AND METHODS A total of 60 patients were studied, in whom the transurethral resection of tumors on the posterolateral bladder wall were performed under(More)
PURPOSE To compare blind and nerve stimulation guided transurethral obturator nerve block (ONB) in transurethral resection of bladder tumor (TURBT) to prevent obturator reflex. PATIENTS AND METHODS One hundred and twelve patients with lateral bladder wall tumors and at high risk for general anesthesia were categorized randomly in three groups. In the(More)
PURPOSE To evaluate the efficacy of long-acting-release octreotide (trade name Sandostatin) on decreasing mucus secretion, thus reducing catheter obstruction after radical cystectomy and orthotopic reconstruction. PATIENTS AND METHODS In this double-blind, placebo-controlled study, we treated 73 cases of radical cystectomy between the years 2008 and 2014;(More)
BACKGROUND The normal prostate-specific antigen (PSA) level in patients with urethral catheterization is a controversy. We designed this study to investigate the effect of nontraumatic urethral catheterization without urinary retention on serum PSA. MATERIALS AND METHODS Seventy patients scheduled for urethral catheterization before elective surgeries(More)
Recently, there has been a significant interest in introducing stochastic dominance relations as constraints into stochastic optimization problems. Optimization with first order stochastic dominance constraints in discrete distribution case can be formulated as mixed integer programs. In this article, we present a method to safely approximate such kinds of(More)
PURPOSE loss of significant lengths of ureter when substitution with bowel or bladder fails is a disaster in urology. This study is conducted to evaluate the results of subcutaneous nephron-vesical bypass (SNVB) in ureteral damage of different etiologies. MATERIALS AND METHODS Seventeen SNVB were employed in patients with ureteral injuries. We employed a(More)
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