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（IVU）的像特征、鉴诊断,概括。法:回顾性分析30例肾盏憩室的临床资料、超声及造记录。