Baby hydronephrosis What's going on?

Hydronephrosis is mainly caused by two kinds of diseases:

1, ureteral obstruction, which is a common cause of hydronephrosis, is a small segment of ureter stricture caused by obstruction, urine in the kidney is not easy to stay in the bladder, stagnation in the kidney, usually as long as the ureter stricture of a section of resection, and then reconnected to keep the ureter unobstructed, can improve the situation of hydronephrosis.

2, urine reflux, under normal circumstances, urine is from the kidney through the ureter hit the bladder, and then discharged from the body, urine reflux is urine from the bladder back to the ureter, even back to the kidney an abnormal phenomenon, the kidney will be ready to flow to the bladder urine and urine from the bladder to flow back, this time the kidney water will become more, resulting in hydronephrosis.