Mastery Series

David M Yousem

Brain

Head and Neck

Neuro

Vascular

FACR

Pamela W Schaefer

Gain confidence evaluating stroke and stroke mimics on CT, MRI, CTA, MRA, CT Perfusion, & MR Perfusion w/ MRI Online. Interact w/ scrollable cases, & earn CME.

Angiography

Perfusion

Infectious

Metabolic

Neuroradiology

Vascular Imaging

Watch this case review for free!

Lesson

Introduction - Meet Dr. Pam Schaefer

Stroke Imaging Course Overview

Normal Cerebrovascular Anatomy on CT

Cerebral Arterial Territories & Examples of Acute Stroke

Role of Noncontrast CT in Stroke Imaging & ASPECTS Grading

Case - MCA Stroke on Noncontrast CT

Case - PCA Stroke on Noncontrast CT

Case - Brainstem Stroke on Noncontrast CT

Case - Stroke vs Low Grade Tumor

Vascular Imaging in Stroke - CTA vs MRA

Carotid and Vertebral Vasculopathies Overview & Examples of Atherosclerotic Disease

Case - Atheromatous Disease with Severe ICA Stenosis

Carotid & Vertebral Artery Dissection Overview & Examples

Case - Embolic Stroke with ICA Dissection

Collagen Vascular Diseases Overview - Examples of FMD, Carotid Web

Case - Fibromuscular Dysplasia (FMD)

Case - Ehlers Danlos

Inflammatory Conditions with Stroke Symptoms - Examples of Takayasu's, TIPIC

Case - Takayasu’s Arteritis

CTA Head in Acute Stroke - Source Images, MIPS, Collaterals

Case - MCA Stem Embolus with Good Collaterals

Case - MCA Stem Embolus with Poor Collaterals

Case - Basilar Tip Thrombus

Circle of Willis Stenoses: Differential Diagnoses

Case - Moya Moya disease

Case - Reversible Cerebral Vasoconstrictive Syndrome (RCVS)

Case - Primary Angiitis of the CNS (PACNS)

Infectious Causes of Multifocal Circle of Willis Stenosis

CT Perfusion Pearls and Pitfalls

Case - CT Perfusion with Core Penumbra Mismatch

Case - CT Perfusion with Core Penumbra Match

Use of MRI (DWI, SWI, FLAIR) in Acute Ischemic Stroke

Case - Hyperacute Stroke MRI Evaluation (Good Collaterals)

Case - Hyperacute Stroke MRI Evaluation (Poor Collaterals)

Use of MRA in Acute Stroke Imaging

Case - Comparison of MRA vs CTA in Acute Stroke Imaging

Case - Dissection on MRA vs CTA

MRI Vessel Wall Imaging Overview

Case - Vessel Wall Imaging with MRA - Atherosclerotic Disease

Case – Vessel Wall Imaging with MRA - Vasculitis

Multifocal Strokes with Unremarkable MRA or CTA

Case - Cardiovascular Infarction

Case - Cortical Vein Thrombosis

Case - CADASIL

Case - Susac Syndrome

Case - Fat Emboli

Global Ischemia & Hypoxia - Key Findings & Examples

Case - Global Hypoxia

Case - Carbon Monoxide Poisoning

Case - Classic & Delayed Hypoxia

Brain Death Definition and Protocols

Case - Brain Death (Pediatric)

Stroke Mimics - Other Causes of Restricted Diffusion

Case - Seizure (Stroke Mimic)

Case - MELAS (Stroke Mimic)

Case - Hypoglycemia (Stroke Mimic)

Case - Herpes Virus Encephalitis (Stroke Mimic)

Case - Osmotic Demyelination Syndrome (Stroke Mimic)

Case - Brain Metastases (Stroke Mimic)

MR Perfusion - Data, Maps and Uses

Case - MR Perfusion Target Mismatch (Good Collaterals)

Case - MR Perfusion Target Mismatch (Poor Collaterals)

Case - Ischemia Detected Only on MR Perfusion (Case 1)

Case - Ischemia Detected Only on MR Perfusion (Case 2)

Arterial Spin Labelling Perfusion - Usage Examples

Case - ASL Matched Defect

Case - ASL Showing Tissue at Risk

Subacute Stroke & Differentials/Mimics

Case - Subacute Stroke Evaluation (Case 1)

Case - Subacute Stroke Evaluation (Case 2)

Case - Subacute Stroke Evaluation (Case 3)

Case - Venous Infarction Evaluated for Subacute Stroke

Course Evaluation

Post-Course Activities

<p>Dr. Pamela Schaefer (Massachusetts General Hospital) provides an in-depth review of her imaging approach to evaluating stroke and stroke mimics on noncontrast CT, CTA, CT Perfusion, MRI, MRA, and MR Perfusion.</p>

Stroke Imaging (CT and MR)