Chemical Composition of Upper and Lower Urinary Tract Calculi
Keywords:Urolithiasis, chemical composition.
One hundred and two cases of urinary tract calculi were divided into two groups. Group I included patients having stones in the upper urinary tract (i.e. Kidney & ureter) while group II comprised of patients having stones in the lower urinary tract (i.e. bladder and urethra). The study was carried out to determine and compare the chemical composition of upper and lower urinary tract calculi. Majority of the stones were mixed variety, uric acid was found to be higher in concentration in the nucleus of the bladder stones compared to upper tract stones.
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