MSCT鉴别诊断儿童肾上腺神经母细胞瘤和肾母细胞瘤的征象研究

目的 探讨儿童肾上腺神经母细胞瘤和肾母细胞瘤的CT鉴别征象,以提高儿童肾上腺神经母细胞瘤和肾母细胞瘤的诊断正确率.方法 对经病理证实并行CT平扫及增强扫描的儿童肾上腺神经母细胞瘤26例和肾母细胞瘤22例患儿资料进行回顾性分析,对比各项CT指标并行统计学处理.结果 病灶有无跨越中线、有无包绕腹膜后大血管、有无钙化以及肾脏轮廓是否完整4项CT指标对儿童肾上腺神经母细胞瘤和肾母细胞瘤鉴别有统计学意义（P=0.010,0.005,0.025,0.005）.结论 对两者的鉴别诊断,病灶有无跨越中线、有无包绕腹膜后大血管、有无钙化以及肾脏轮廓是否完整等征象起重要作用.

CT differentiation of adrenal neuroblastoma and nephroblastoma in children

Objective To improve the diagnostic accuracy by evaluating the CT manifestations of adrenal neuroblastoma and nephroblastoma in children.Methods CT manifestations of 26 children with adrenal neuroblastoma and 22 children with nephroblastoma confirmed pathologically were retrospectively analyzed.All cases were performed with CT plain scan and dual-phase contrast-enhanced scan.Then statistical analysis was made.Result Four indexes were found to be useful for differentiating adrenal neuroblastoma from nephroblastoma,which included crossing the midline,wrapping retroperitoneal major vessels,calcification,the completeness of outline of kidney （P =0.010,0.005,0.025,0.005）.Conclusion Crossing the midline,wrapping retroperitoneal major vessels,calcification,the completeness of outline of kidney are useful for differentiating adrenal neuroblastoma from nephroblastoma in children.