Results 2 cases underwent nephroureterectomy,10 cases local resection plus pyeloplasty or ureterovesical replantation.10 cases had been followed up for 4-36 months with no recurrence or canceration.

• 结果12例中2例行肾切除加输尿管大部切除术,10例行病变输尿管节段性切除术加肾盂成形术或输尿管再植术。术后10例获4-36个月随访,未见息肉复发及恶变。