输尿管囊肿是指输尿管入膀胱端呈气球样扩张,凡在三角区正常输尿管开口处发生者称为单纯性输尿管囊肿、凡开口不在三角侧发生的任何输尿管囊肿则称为异位输尿管囊肿,单纯性和膀胱内异位输尿管囊肿在静脉尿路造影(IVU)时于膀胱内常显示像“眼 Ureteral cyst refers to the ureter into the balloon end of the balloon-like dilatation, where the normal ureteral orifice occurs in the triangle known as simple ureterocele, where the opening is not in the triangle side of any ureterocele is called ectopic ureter cyst, simple And intraurethral ectopic ureter cyst often show in the bladder as IVU