In this issue, guest editors bring their considerable expertise to this important topic. - Contains 11 practice-oriented topics including pearls and pitfalls of carotid artery imaging: ultrasound, CT angiography, and MR angiography; stroke in the young adult; imaging pearls in head trauma; current evaluation of collateral circulation; and more. - Provides in-depth clinical reviews on imaging of cerebrovascular disease, offering actionable insights for clinical practice. - Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.

In this issue, guest editors bring their considerable expertise to this important topic. Provides in-depth reviews on the latest updates in the field, providing actionable insights for clinical practice. Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create these timely topic-based reviews.

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!

In this issue of Neuroimaging Clinics, guest editors Drs. Joseph Gemmete and Zachary Wilseck bring their considerable expertise to the topic of Advanced Imaging in Ischemic and Hemorrhagic Stroke. Top experts in the field discuss metabolic imaging such as PET, in vivo O17 MRS imaging, quantitative sodium MR imaging, pharmacological MRI (pHMRI), dual-energy CT, vessel wall imaging, and more. - Contains 11 relevant, practice-oriented topics including CT/CTA/perfusion in acute ischemic stroke/vasospasm; MRI/MRA/perfusion in acute ischemic stroke and vasospasm; MR imaging of cerebral aneurysmal wall for rupture risk; dual-energy CT in imaging of acute ischemic and hemorrhagic stroke; metabolic imaging of acute ischemic stroke (PET, spectroscopy, O17 imaging, sodium imaging, PH imaging); and more. - Provides in-depth clinical reviews on advanced imaging in ischemic and hemorrhagic stroke, offering actionable insights for clinical practice. - Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.

This issue of Neuroimaging Clinics focuses on Evidence-Based Vascular Neuroimaging and is edited by Drs. Ajay Malhotra and Dheeraj Gandhi. Articles will include: Unruptured Intracranial Aneurysms: Duration, Frequency and Modality Used for Surveillance; Vasospasm: Role of Imaging in Detection and Monitoring Treatment; Extracranial Vascular Disease: Carotid Stenosis and Plaque Imaging; Subarachnoid Hemorrhage: Distribution and Role of Imaging; Acute Ischemic Stroke: MRI-based Paradigms; Imaging of Intracranial Hemorrhage (Non-subarachnoid Hemorrhage); Brain Arteriovenous Malformations: The Role of Imaging in Treatment Planning and Monitoring Response; Intracranial Vascular Disease and Vessel Wall Imaging; Acute Ischemic Stroke: CT/CTA/CTP and Their Role; Imaging for Treated Aneurysms (including clipping, coiling, stents, flow-diverters); and more!

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!

This issue of Radiologic Clinics of North America focuses on Vascular Imaging, and is edited by Dr. Christopher J. François. Articles will include: Pre-operative planning for structural heart disease; Updates in vascular CT; Imaging patients with mesenteric ischemia; Imaging patients with pulmonary vascular disease; Peripheral vascular imaging focusing on non-atherosclerotic disease; Imaging thoracic aorta aneurysms; Recent innovations in renal vascular imaging; Radiological imaging in large and medium vessel vasculitis; MR lymphangiography; Recent innovations in vascular ultrasound; Imaging vascular malformations; 4D Flow MRI; and more!

This issue of Neuroimaging Clinics of North America focuses on Ischemic Stroke, and is edited by Dr. Lotfi Hacein-Bey. Articles will include: Clinical distinction of cerebral ischemia and triaging of patients in the ED: mimics, wake-ups, late strokes and chameleons; Telestroke; CT, CTA and CT perfusion of acute stroke; MRI based imaging of acute stroke; Advanced neuroimaging of acute stroke: collaterals, permeability imaging, Arterial Spin Labeling; Penumbra, oligemia, infarction: understanding hypoperfusion with neuroimaging?; Pathophysiology of thrombus and clinical implications; Neuro-interventional management of stroke; Non interventional treatment options for stroke; What to look for on post-stroke neuroimaging; Reperfusion changes after stroke and practical approaches for neuroprotection; Economics of stroke treatment (value-based payment models and other); Health care organization of neuroradiological management of stroke at regional and national levels: the French experience; and more!

This issue of Radiologic Clinics focuses on Advanced Neuroimaging in Brain Tumors and is edited by Dr. Sangam Kanekar. Articles will include: Imaging findings of new entities and patterns in brain tumor: IDH mutant, IDH wildtype, Codeletion, and MGMT methylation; CT and MR perfusion imaging in neuro-oncology; Application of diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) in the pre- and post-surgical evaluation of brain tumor; Clinical applications of magnetic resonance spectroscopy (MRS) in of brain tumors: grading and recurrence; Cellular and molecular imaging with PET and SPECT in brain tumors; Role of Functional MRI (fMRI) in the presurgical mapping of brain tumor; Imaging surveillance of gliomas: role of advanced imaging techniques; Neoplastic meningitis and paraneoplastic syndrome—role of imaging; Imaging of neurologic injury following oncologic therapy; RadioGenomics of brain tumor; Imaging mimics of brain tumors; Imaging of tumor syndromes; and more!

Topics include: Imaging of Ischemic Stroke; Hemorrhagic Stroke and Non-traumatic Intracranial Hemorrhage; Acute Neuro-Interventional Therapies; Orbital and Intracranial Complications of Sinusitis; Traumatic Brain Injury; Central Nervous System Infections; Facial Trauma: What the Surgeon Wants to Know; Intracranial Hypo- and Hypertension; Seizures; Pediatric Central Nervous System Emergencies; Spine Emergencies; Infections and Inflammatory Processes of the Neck.