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OBJECTIVE Lower urinary tract tumours are uncommon in paediatrics. Transitional cell carcinoma of the bladder (TCCB) is rarely found in the first two decades of life and is exceptional under 10 years of age. The present series aimed to expand the number of reported cases in the literature. PATIENTS AND METHODS In 1984-2007, six patients (four male, two(More)
OBJECTIVE To present our cases of ureteral obstruction after endoscopic treatment of vesicoureteral reflux (VUR) with dextranomer/hyaluronic acid (Dx/HA). PATIENTS AND METHODS We collected data from patients who had suffered ureteral obstruction after endoscopic treatment of VUR with Dx/HA in our institution. RESULTS From April 2002 to April 2011 we(More)
PURPOSE We describe the efficacy of dilation of the ureterovesical junction to treat primary obstructive megaureter. MATERIALS AND METHODS A total of 13 patients with primary obstructive megaureter were treated from May 2008 to December 2010. Of these patients 8 were diagnosed prenatally and the others were diagnosed after a urinary tract infection.(More)
PURPOSE The aim of our study is to compare the outcomes of open and laparoscopic pyeloplasty in children less than 12 months of age. PATIENTS AND METHODS We reviewed all medical charts of patients less than 12 months old who underwent pyeloplasty from January 2007 to February 2013. We divided them in two groups: Open pyeloplasty (OP) and laparoscopic(More)
BACKGROUND/PURPOSE The onlay island flap urethroplasty was first described in the repair of mid and distal penile hypospadias. Since then, this technique has been increasingly used in more severe cases of hypospadias, because of the complications of tubularized flaps, mainly megaurethra and proximal anastomotic strictures. The aim of this study was to(More)
PURPOSE To compare efficacy of Cohen's ureteral reimplantation and endoscopic treatment with Dx/HA in patients with primary VUR grades II, III and IV. METHODS From April 2002 to June 2004, patients over 1 year old with VUR grade I, II, III or IV were included. Patients were randomized into two groups: endoscopic treatment (ET) or ureteral reimplantation(More)
OBJECTIVE To report the results of fetal cystoscopic laser ablation of posterior urethral valves (PUV) in a consecutive series in two referral centers. METHODS Twenty pregnant women with a presumptive isolated PUV were treated with fetal cystoscopy under local anesthesia. Identification and fulguration of the PUV by one or several firing-contacts with(More)
OBJECTIVES Three new cases of xanthogranulomatous pyelonephritis are described in children. METHODS Laboratory examinations including white and red blood cell counts, erythrocyte sedimentation rate, renal function, urinalysis and cystography were performed. RESULTS All of the patients had a palpable abdominal mass. Urine culture was positive (Proteus(More)
PURPOSE Cyclophosphamide and its derivatives induce hemorrhagic cystitis. A substantial number of patients receive bladder augmentation or replacements using bowel. If patients who have undergone colocystoplasty need treatment with cyclophosphamide before or after the operation, does hemorrhagic cystitis develop? We evaluated the histological changes(More)
INTRODUCTION Continent urinary diversion (based on Mitrofanoff's principle), despite its complexity, is the gold standard in the treatment of those vesicourethral disfunctions that need clean intermittent catheterization (CIC) to achieve complete vesical voiding, in patients with non easily catheterizable native urethra. AIM To analize our experience in(More)