31 results
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... woman with left hand ... #Evolution #MRI ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... on CT and MRI. ... Progression #Timeline #Neurology ... #Radiology #Findings ... #Evolution
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
cranial nerves Ill, IV ... Involvement of V1, V2 and ... fissure or orbit (MRI ... Corticosteroids → resolution ... Syndrome #TolosaHunt #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... presentation, temporal evolution ... , CSF, and radiographic ... Imaging: - MRI ... InfectiousDiseases #Neurology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
similar to PML, but MRI ... Diagnosis: MRI ... : • Increased CSF ... reversible • HAND ... dementia #AIDS #Neurology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
Progression of T2WI and ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings ... #Evolution
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lesions, LAD, and ... Lesions #Brain #differential ... diagnosis #causes #radiology ... #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
A) Initial Evaluation ... • ABCs • IV ... r/o hemorrhage and ... a NCCT or • MRI ... diagnosis #checklist #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Patterns of Toxic and ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Campylobacter jejuni - HIV ... : - CSF PROTEIN ... - NORMAL CSF ... axonal form • MRI ... management #treatment #neurology