儿童大脑神经母细胞瘤MRI诊断分析

MRI diagnosis analysis of children's brain neuroblastoma

目的探讨儿童大脑神经母细胞瘤MRI的影像特点。方法对经手术及病理证实的3例儿童幕上大脑神经母细胞瘤患者的MRI资料进行回顾性分析。本组3例患儿均行颅脑MRI常规平扫加增强扫描。结果 3例患儿肿瘤均位于幕上,包括额叶1例,顶叶2例。病灶呈类圆形或分叶状,边界清楚。T1WI呈不均匀稍低或低信号,T2WI呈稍高或高信号。2例见大囊变合并出血,瘤周见轻度水肿。增强扫描3例均见明显强化。结论儿童大脑神经母细胞瘤MRI表现具有一定的特点,根据肿瘤部位、边界、信号、水肿、增强特点有助于该病的诊断和鉴别诊断。

Objective To investigate imaging features of MRI in children with brain neuroblastoma. Methods After surgery and 3 cases of children with pathologically confirmed supratentorial brain MRI in patients with neuroblastoma were retrospectively analyzed. 3 patients underwent conventional brain plain and enhanced MRI scans. Results 3 cases were located in supratentorial tumors, including 1 case of frontal lobe, parietal lobe in 2 cases. Lesions were round or lobulated, clear boundary. T1WI showed a slightly uneven or low signal, T2WI showed a slightly higher or high signal. There were cystic degeneration and hemorrhage, mild peritumoral edema in 2 cases. Enhanced scan were seen in 3 cases significantly enhanced. Conclusion Children brain neuroblastomas MRI has certain performance characteristics, according to tumor location, boundary, signal, edema, enhanced features contribute to the diagnosis and differential diagnosis.