INTRODUCTION Urolithiasis is a multifactorial disease. Changes in social and economic living conditions have generated changes in chemical composition of urolith too. Although calcium is a predominant crystalline constituent of kidney stones in 80% of cases, metabolic disorders are not the main reason for their formation. Hyperparathyroidism may be a cause of occurrence of calcium lithiasis, ho...

Rev Assoc Med Bras 2009; 2010; 56(1): 723-8 *Correspondence: Rua Barata Ribeiro, No 490 Sala 25 – Bela Vista São Paulo – Sp, Brazil Cep: 01309-000 AbstrACt Objective. To review developments in the diagnosis and treatment of urinary lithiasis. MethOds. A review of the most important articles on the subject published in Medline indexed periodicals between 1979 and 2009. Results. Stones occur with...

Lithiasis after urinary diversion is an uncommon condition that poses therapeutic challenges. The authors report the case of a patient submitted to cystectomy and ureterosigmoidostomy 35 years ago due to bladder endometriosis. The patient presented with a ureteral stone and was treated by retrograde endoscopic extraction.

Treatment of bladder lithiasis using a percutaneous approach in a patient with Mitrofanoff conduit Alberto Perez-Lanzac de Lorca, Patricia Parra Serván, Jesús Rosety Rodriguez, Cristina León Delgado, Jose Luis Álvarez-Ossorio Fernández Department of Urology, Puerta del Mar University Hospital, Cadiz, Spain

We present a case of urinary tract infection caused by Enterobacter taylorae in a 70-year-old male with renal lithiasis. The microorganism was isolated in significant numbers from a urine culture. The disappearance of clinical symptoms after antibiotic treatment points to the participation of this microorganism as the etiological agent in the infection.

PURPOSE To compare the efficacy and safety of the electromagnetic lithotripter in the treatment of pediatric lithiasis to that of the earlier electrohydraulic model. MATERIALS AND METHODS Two groups of children with lithiasis aged between 10 and 180 months who underwent extracorporeal shock wave lithotripsy (ESWL). In the first group (26 children), ESWL was performed by using the electrohydra...

OBJECTIVE To perform a multivariate statistical analysis of epidemiological, clinical and biochemical factors that make it possible to identify the variables that can independently predict the course of renal lithiasis, thus defining a group at risk of worse evolution. MATERIAL AND METHODS A retrospective, descriptive and analytic study was in a cohort of 248 patients with kidney stones treat...

Introduction Urinary stones are relatively uncommon in the paediatric age group; however, the prevalence seems to be on the increase and the tendency towards urinary lithiasis in males and females is the same in childhood.1,2 The clinical features are often vague and nonspecific, so a high index of suspicion is usually required for diagnosis. Limited investigations tend to be performed in child...