室管膜下巨细胞星形细胞瘤的MRI诊断.pdfVIP

# 598 # 2006 25 7 ü 中枢神经放射学þ MRI * 韩建成 , 高培毅, 林 燕, 徐 磊, 田同德, 杨智君 = 目的 ( SGCA) MRI , MRI 资料与方 法 9 SGCA MRI , 4 , 5 , 4~ 23 , 12. 9 MRI 结果 , 3 , 6 T WI , T WI , 9 1 2 , 2 T T ; , 7 , 3 1 2 结论 SGCA MRI , = MRI Diagnosis of Subepengdymal Giant Cell Astrocytoma HAN Jia che g, GAO Peiyi, LIN Ya , et al. Neuroimagi g Ce ter, Beiji g Neurosurgical I stitute, The Capital U iversity of Medical Scie ce, Beiji g 100050, P. R. Chi a = Abstract Objective To study MRI fi di gs of subepe dymal gia t cell astrocytoma a d evaluate its diag ostic value i subepe dymal gia t cell astrocytoma. Materials andMethods Cli ical data a d MRI fi di gs i 9 patie ts of subepe dymal gi- a t cell astrocytoma (4 male a d 5 female; ra gi g i age from 4 to 23 years old; mea age: 12. 9 years) with pathologically proved were retrospectively a alyzed. Pre a d post MR sca s were performed i all patie ts. Results All tumors were located ear the forame of mo ro, 3 patie ts were rou d like a d 6 patie ts were slightly lobulated i shape. The tumors were appeared iso or hypoi te sity o T WI a d iso or hyperi te sity o T WI, there were pu ctate or odular calcificatio s i the border of the 1 2 tumors i all cases, a d small cystic cha ges i the ce ter of the tumors i 2 patie ts. After i jectio of co trast age t, the tumors were markedly homoge eous or heteroge eous e ha ceme t. Subepe dymal odules were see i 7 patie ts, a d cortical tubers were observed i 3 patie ts. Conclusion The MRI fi di gs of subep