颅内生殖细胞肿瘤的MRI诊断与鉴别诊断  

MRI Diagnosis and Differential Diagnosis of Intracranial Germ Cell Tumours

作　　者：张晓东[1] 许乙凯[1] 段刚[1] 

机构地区：[1]南方医科大学附属南方医院影像中心,广东广州510515

出　　处：《实用放射学杂志》2007年第1期10-13,共4页Journal of Practical Radiology

摘　　要：目的分析总结颅内生殖细胞肿瘤的MRI特征,提高其诊断准确性。方法回顾性分析经手术病理证实的颅内生殖细胞肿瘤15例,所有病例均行常规SE序列平扫及增强扫描,必要时加扫脂肪抑制序列。结果6例位于松果体区,6例位于鞍区(松果体区及鞍区生殖细胞瘤、畸胎瘤及绒毛癌均分别为3例、2例及1例),2例位于基底节区(均为生殖细胞瘤),1例位于右侧脑室(畸胎瘤)。结论MRI对颅内生殖细胞肿瘤的诊断与鉴别诊断具有重要价值。Objective To analyse and conclude the MRI features of intracranial germ cell tumours so that to improve the diagnosis of this disease. Methods 15 cases of germ cell tumours verified by operation and pathology were reviewed and analyzed. All cases were undergone plain and contrast - enhanced MRI, the fat restrained sequence was performed if necessary. Results The location of tumors, six were in pineal region, six were in sellar region （germinoma, teratoma and choriocarcinoma in pineal and sellar region were all separately 3, 2 and 1 ） , two were in basal ganglia （germinoma） , and one was in right lateral ventricle （ teratoma）. Conclusion M RI is very valuable in the diagnosis and differential diagnosis of intracranial germ cell tumours.

关 键 词：生殖细胞瘤 畸胎瘤 磁共振成像 

分 类 号：R739.41[医药卫生—肿瘤] R445.2[医药卫生—临床医学]