On T 2WI, tumors had isointense or slightly hyperintense signal in 69.84%, obviously hyperintense signal in 19.05%,heterogenous texture signal in 7.94% and slightly low intense signal in 3.17%.

• T2 加权像脑膜瘤信号主要为等和略高信号 ；占 69.；84%25；明显高信号占 19