Stiffness and Tissue Viscosity in a Cerebral Neoplasm Measured by Preoperative Multifrequency Magnetic Resonance Elastography (MRE) Guide the Differential Diagnosis of Brain Tumors by Ruling Out Glioma. - Shahryari, Mehrgan; Shams, Boshra; Herthum, Helge; Gottheil, Pablo; Heider, Jeremias; Käs, Josef; Siebert, Eberhard; Picht, Thomas; Sack, Ingolf; Jha, Poulami (Case Reports in Medicine, 2026)