Left renal sinus area separation with left upper ureter dilatation is how to return a responsibility

Left renal sinus area separation with left upper ureter dilatation may be caused by structural abnormalities, obstruction, tumor and other reasons, details are as follows:

1. Structural abnormalities in

the embryonic development process due to abnormal tissue structure development, may lead to left renal sinus area separation and left upper ureter dilatation.

2. Obstruction of

ureteral orifice stenosis, stones and other obstruction, urine may accumulate in the upper ureter, will cause left upper ureter dilatation phenomenon.

3.

Tumor disease patients will lead to left renal sinus area separation, left upper ureter dilatation.