Although unusual huge size as in this case, congenital mesoblastic nephroma (CMN) could be considered when encountering a solid fetal renal tumor.

• 对于胎儿肾脏实质的肿瘤，尽管如这病例中不寻常的大小，中胚叶细胞肾瘤应该要列入鑑别诊断中。病理报告确定了此诊断。