Childhood urolithiasis in Iran with special reference to staghorn calculi.

Between 1972 and 1984 148 children with urolithiasis were studied and managed at the University Clinic Children's Hospital of Teheran. In 125 children the calculi were in the upper and in 23 children in the lower urinary tract. The maximum incidence was between the ages of 5-8 and 12 years.

Double ureter in children: surgical management.

Among 25 cases of double ureter which required surgical treatment, six were accompanied by ureterocele. Interpelvic anastomosis was performed in two cases with uretero-ureteral reflux. En bloc reimplantation was performed for ten double ureters, three of which had common ureteral orifice with reflux in both ureters.

Morgagni-hernias during infancy.

Five cases of Morgagni hernia observed in Teheran Children's Hospital in 1973-1983 are reported. Four of the diagnosed cases were infants less than seven months of age and all presented respiratory symptoms: two of them accompanied by associated malformations. In four cases the hernia was present on the right side and in one on the left.