Objective: To analyze (he features of intravenous urography( IVU), differential diagnosis of caliceal diver-ticulum and to summarize the skill of examination.

分析肾盏憩室静脉尿路造影（IVU）影像特征、鉴诊断,概括。方法:回顾性分析30例肾盏憩室临床资料、超声及造影记录。