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

• 目的:分析肾盏憩室静脉尿路造影（IVU）检查的影像特征、鉴别诊断,概括检查技巧。方法:回顾性分析30例肾盏憩室的临床资料、超声及造影检查记录。