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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... on Brain Imaging ... #imaging #patterns ... #MRI #Neurology ... pathology #diseases #radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... granulomatosis: • EBV-associated ... RingEnhancing #Lesions #Brain ... #differential # ... #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Imaging Patterns ... Globi Pallidi T2 Low ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Neurology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
- DWI in brain ... - ADC will be of ... low signal intensity ... #Stroke #CVA #MRI ... #Neurology #Radiology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... it possible to differentiate ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology ... #Evolution #Timeline
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... ARVs can have low ... similar to PML, but MRI ... Diagnosis: MRI ... dementia #AIDS #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... changes - Common pattern ... Neoplastic: Malignancy-associated ... EMG) studies • MRI ... #Diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... fluctuations PRES-Associated ... Imaging Patterns ... Reversible course Differential ... diagnosis #management #neurology