This issue of Radiologic Clinics of North America focuses on Neuroradiology and is edited by Drs. Jacqueline A. Bello and Shira Slasky. Articles will include:: CT Perfusion in Acute Stroke; The Role of DTI and fMRI Prior to Brain Tumor Surgery; Pediatric Primary Neoplasms; Radiomics of Glioma:: Genotypes and their Imaging Correlates; MR Spectroscopy and MR Perfusion of Brain Neoplasms; Etiologies of Acute Stroke:: A Patterned Approach; Recent Hot Topics:: RCVS and PRES, Venous Occlusive Disease; CNS Lesions in Immunocompromised Patients; Imaging Glioblastoma Post-treatment:: Progression, Pseudoprogression, Pseudoresponse, Radiation Necrosis; Imaging of Acute Stroke:: Current State; Adult Primary Brain Neoplasms:: (Including 2016 WHO classification); Large and Small Vessel Vasculopathies; and more!