INTRODUCTION A variety of urethral foreign bodies (UFBs) have been reported in the literature; however, it is a rare clinical finding.(1-6) Most of the UFBs tend to be self-inserted because of sexual or erotic reasons.(2) Presentation is usually with dysuria, poor urinary stream, swelling of external genitalia, urethral discharge, or urinary tract infection. Late presentation may be with compli...

INTRODUCTION Bladder calculi account for 5% of all urinary system calculi. They are usually seen in older men and occur because of infravesical obstructions such as prostate hyperplasia, neurogenic bladder, urinary tract infection (UTI), foreign bodies, but anti-incontinence surgery in woman and rarely pregnancy can also be predisposing factors for bladder calculus. Bladder stones could also be...

Percutaneous nephrolithotomy (PCNL) is very popular and an efficient method as a gold standard in management of renal calculi. It is the first-choice method in management of renal calculi larger than 2 cm. Our patient underwent PCNL upon observing multiple renal calculi larger than 10 mm in a lower pole of the right kidney. Biopsy was performed during PNCL because morphology and endoscopic view...

OBJECTIVE To evaluate the prevalence of metabolic disorders in patients with staghorn calculi treated at the Regional Center of Lithiasis Metabolic Studies in central region of Såo Paulo State, Brazil. MATERIALS AND METHODS Between February 2000 and February 2008, 630 patients with urinary calculi were evaluated in the lithiasis outpatient clinic. Thirty-seven of them had staghorn calculi (35...

INTRODUCTION AND OBJECTIVES Presently, percutaneous nephrolithotomy (PCNL) is a well-established and effective method of treating upper urinary tract stones at our institution. The aim of this paper was to evaluate a single surgeon's four-year experience of PCNL in the Singapore General Hospital. MATERIALS AND METHODS Between January 1996 and December 2000, 300 PCNLs were performed on 280 ren...

OBJECTIVE The present study aims at assessing the occurrence of pyelonephritis and long-term complications in rats submitted to surgical reduction of bladder capacity. MATERIALS AND METHODS Sprague-Dawley rats were submitted to supratrigonal cystectomy (animals) or sham operation ( animals) and sacrificed 2, 4 and 6 months after the surgical procedure. The arterial blood pressure and serum cr...

The earliest reports on urolithiasis in Iranian children in 1980s revealed calcium oxalate and ammonium acid urate were the most common components of urinary calculi.1-3 Since then there have been increasing numbers of published studies about the risk factors of urolithiasis in Iranian children. A cross-sectional study conducted by Akhavan and coworkers4 showed the incidence of urinary calculi ...

For the detection of metabolic disorders of uric acid in upper urolithiasis, an oral purine loading test was performed in 78 patients with calcium-containing calculi, 5 patients with uric acid calculi, and 34 stone free subjects. From the results of the normal subject group, the criteria of hyperuricemia, latent hyperuricemia, hyperuricosuria and latent hyperuricosuria were proposed. In calcium...