| Type | MGI:General | Description | homozygotes develop a dilatation of the renal pelvis starting at 3 months of age at autopsy, most homozygotes (aged 3-16 months) exhibit massive hydronephrosis, which is either unilateral (with 65% on the left side) or bilateral uni- or bilateral hydronephrosis is caused by an obstruction of the urinary tract between renal pelvis and ureter |
