12 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
- Patterns on Brain ... encephalopathies #encephalopathy ... #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Nystagmus from Wernicke’s Encephalopathy - Magnetic resonance imaging of the brain showed T2 hyperintensities involving the
from Wernicke’s Encephalopathy ... imaging of the brain ... #Clinical #Radiology ... #Neuro #Wernicke ... #MRI #Thalamus
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
exam (complete neuro ... a NCCT or • MRI ... brain w/o contrast ... Detected on NCCT vs MRI ... diagnosis #checklist #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... Pons: ODS #MRI ... Toxicology #Metabolic #Brain ... Differential #Diagnosis #Radiology ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... Sarcoidosis • Neuro ... RingEnhancing #Lesions #Brain ... #neurology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Meningitis, Myelopathy, Encephalopathy ... thrombosis and/or blood-brain ... prevention (statin for CVA ... Erythematosus #SLE #CNS #neurology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
- DWI in brain ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Posterior Reversible Encephalopathy ... parietal lobes of the brain ... /CTA • Anterior ... parietal lobes of the brain ... #management #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Upper Motor Neuron ... nervous system: Brain ... • Infectious: Brain ... EMG) studies • MRI ... Differential #Diagnosis #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
Classic HIV Encephalopathy ... similar to PML, but MRI ... Diagnosis: MRI ... The clinical syndrome ... dementia #AIDS #Neurology