Relationship between Shear Stiffness Measured by MR Elastography and Perfusion Metrics Measured by Perfusion CT of Meningiomas ============================================================================================================================== * T. Takamura * U. Motosugi * M. Ogiwara * Y. Sasaki * K.J. Glaser * R.L. Ehman * H. Kinouchi * H. Onishi