Fast Recovery Fast Spin Echo (FRFSE): is an extension of the Fast spin Echo sequence and incorporates an additional refocusing pulse and 90 degree excitation at the end of the echo train. This additional forced recovery of the long T1 and T2 spins increases T2 contrast with shorter acquisitions...
女,43岁,突发头痛伴左侧肢体无力7小时,MRI检查:右侧大脑半球见大片长T1长T2信号,病变区与大脑中动脉供区一致,灰白质界限消失,有占位效应。增强扫描脑回状强化。最有可能的诊断是()A.右侧大脑半球脑出血B.右侧脑梗塞急性期C.右侧大脑脑炎D.右侧大脑半球胶质瘤的答案