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

分肾盏静脉尿路造影（IVU）检查影像特征、鉴诊断,概括检查技巧。方法:回顾性分30例肾盏临床资料、超声及造影检查记录。