The true incidence of giant hydronephrosis is difficult to estimate since incorrect diagnosis is
often made. There have been approximately 100 cases reported in the medical literature since
Heitz-Boyer's first report;4) most of them have been found in children. However, giant hydronephrosis
in adult cases is seldom reported. It is found more often in males than in females and
more often on the left side than on the right side. I)
Giant hydronephrosis usually has a capacity of 2 to 9 liters of urine. The most serious case of
hydronephrosis (115 liters) was reported by Dennehy in 1953,6) and in recent years, Tombari et
al. in 1968,5) reported a case with a capacity of 52 liters. Both of them were found in children.
Hydronephrosis is usually congenital in nature, often caused by stenosis of the ureteropelvic
junction, ureter atresia, or aberrant vessels. I) The cause of hydronephrosis in our present case
was considered to be congenital obstruction of the ureteropelvic junction.
The true incidence of giant hydronephrosis is difficult to estimate since incorrect diagnosis is
often made. There have been approximately 100 cases reported in the medical literature since
Heitz-Boyer's first report;4) most of them have been found in children. However, giant hydronephrosis
in adult cases is seldom reported. It is found more often in males than in females and
more often on the left side than on the right side. I)
Giant hydronephrosis usually has a capacity of 2 to 9 liters of urine. The most serious case of
hydronephrosis (115 liters) was reported by Dennehy in 1953,6) and in recent years, Tombari et
al. in 1968,5) reported a case with a capacity of 52 liters. Both of them were found in children.
Hydronephrosis is usually congenital in nature, often caused by stenosis of the ureteropelvic
junction, ureter atresia, or aberrant vessels. I) The cause of hydronephrosis in our present case
was considered to be congenital obstruction of the ureteropelvic junction.
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