Influence of clinical therapy and nutritional counseling on the recurrence of urolithiasis.

Purpose: To evaluate the influence of combined clinical therapy and nutritional guidance on the recurrence of urolithiasis.

Methods: From our registry of patients with recurrent urolithiasis we selected 57 who had at least 5-years of follow-up. We collected 24h urine samples in order to analyze Ca, Na, uric acid, citrate, oxalate, and Mg concentrations and to assess urine volume.

An update on metabolic assessment in patients with urinary lithiasis.

Purpose: The objective of this study was to evaluate the prevalence of urinary metabolic abnormalities in patients with urolithiasis and their potential risk factors.

Methods: A total of 905 stone patients were evaluated in a prospective trial from February 2000 to January 2012. Inclusion criteria were as follows: history and/or imaging tests confirming at least 2 separate or concurrent stone episodes; creatinine clearance ≥ 60 mL/min; and negative proteinuria and urine culture.

Renal medullary carcinoma. Case report and review of the literature.

Young patients with sickle cell trait or disease present a higher risk for renal medullary carcinoma, an aggressive renal tumor, with dismal prognosis, with a median survival of 4 months from the time of diagnosis. We report a 26-year-old patient with a 2-month history of bone pain at the right iliac crest, loss of weight, recurrent macroscopic hematuria and abdominal mass. Imaging studies demonstrated a 10-cm mass in the right kidney.

Videolaparoscopic orchiectomy and nephrectomy: training model in rats.

Objective: Videolaparoscopic surgery conducted on small animals has proved to be of great importance for the improvement of surgical skills. This is a report utilizing an experimental model for laparoscopic orchiectomy and nephrectomy in training courses for urologists.

Material And Methods: Of 350 American Wistar rats enrolled, 319 animals underwent laparoscopic orchiectomy and nephrectomy under intraperitoneal general anesthesia.

Intravesical calculus secondary to ethanol gel injection into the prostate.

A 78-year-old man with coagulopathy and lower urinary tract symptoms secondary to benign prostatic hyperplasia underwent transurethral prostate ethanol gel injection. Six months after the injection, the patient presented with irritative symptoms and hematuria. Ultrasonography revealed a 5-cm intravesical calculus.