我科于 1997～ 1999年收治膀胱内管状异物 4例 ,现报道如下。1　临床资料1.1　一般资料 :本组 4例 ,年龄 16～ 2 0岁 ,均为未婚男性。因各种原因 ,将橡皮管或塑料管于尿道外口插入 ,完全缩入膀胱 ,入院时距插入时间 2～ 5天 ,4例均表现尿急尿频尿痛膀胱刺激症状。 1例 5天入院? Our department in 1997 to 1999 were treated with cystic foreign body in 4 cases, are reported below. 1 Clinical data 1.1 General Information: The group of 4 patients, aged 16 to 20 years old, are unmarried men. For various reasons, the rubber tube or plastic tube inserted in the urethral orifice, completely retracted into the bladder, admission time from the insertion of 2 to 5 days, 4 cases of urinary urgency and frequent urination dysuria bladder irritation. 1 case 5 days admission?