摘要
目的：探讨CT对儿童肾母细胞瘤的诊断价值。方法：回顾性分析52例经手术、病理证实为肾母细胞瘤平扫加增强扫描的CT表现。结果：肿瘤单侧多见，也可为双侧。上极多于下级，也可全肾受侵。常表现为强化不均匀的实质性肿块伴坏死、囊变，少数伴出血、钙化。典型表现为残存肾实质呈新月形或肾的正常结构消失。本组术前诊断准确率为96％。结论：CT检查可准确显示肾母细胞瘤侵犯范围以及转移情况，对肿瘤分期、制订治疗方案、估计预后有重要的意义。
Objective\ To evaluate the diagnostic value of CT scan for nephroblastoma in children.Methods\ The CT manifestations in 52 cases of nephroblastoma proved by operation and pathology were analyzed retrospectively.All the patients received initial scans before and after enhancement with intravenous contrast medium injections.Results\ Unilateral kidney involvement of the tumor seemed to be most of the case but bilateral invasion was also observed.Polar involvement of the kidneys was seen in most of the cases though whole kidney invasion was also the encountered.The tumor appeared usually as a mixed contrast-enhanced solid mass,in which necrosis and cystic changes were often found.A characteristic CT finding was that the residual kidney presented an enhancement crescent like pattern located at one of its polar region.In some patients,the normal structure of the kidney could merely be found.The preoperative diagnostic accuracy was 96%.Conclusion\ CT is a useful technique for the detection of nephroblastoma,and for the evaluation of its aggressiveness,as well as providing important evidence for the treatment and prognosis.
出处
《医师进修杂志》
北大核心
2002年第12期19-20,共2页
Journal of Postgraduates of Medicine
关键词
儿童
肾母细胞瘤
X线计算机体层摄影术
children's neophasms
nephroblastoma
tomography
X-ray computed
