Particular aspects in pediatric urolithiasis

ABSTRACT

Seventy children [6m - 14 ys] having urinary stones living as residents in Saudia Arabia were reviwed over 3 ys period [1991-1994]. The clinical manifestations of upper urinary stones in infancy Include; failure to thrive, anorexia, gastro-intestinal troubles. Interrupted stream [50%], retention of urine [50%], intermittent erection [2.9%], straining [8.6%]; holding and scrubbing of penis [4.3%] were the presentation for lower urinary stones. in the preschool age B.M, vague abdominal pain, frequency and nocturnal enuresis were the most common, presentation, Lion pain was encountered in 60% of the primary school age, while gross hematuria in 10% of cases. Radiological study; all stones were radloopaque except 7 cases. Upper urinary stone showed the highest incrdence [43] cases [38k + 5U.] Lower urinary stones in 15 cases; stone passers in 8 cases while stones in more than one site in 4 cases, Calculi of the same chemical composition presented variable shadows in the K.U.B. anatomical abnormalities were noticed in [7.2%] of cases. 2 with malrotation, 2 with bil. pelvi ureteric obstruction and one case with reflux. The majority of the stones were of mixed nature and ca. oxalate was the main component Urinary tract infection reported in [4.3%]. Metabolic errors could be a trivial process at the time of stone formation as indicated by biochemical profile