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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... on Brain Imaging ... #MRI #Neurology ... #pathology #diseases ... #radiology
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... #FLAIR #MRI #Brain ... #Comparison #clinical ... #radiology #diagnosis ... #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Imaging Patterns ... Pons: ODS #MRI ... #Disorders #Clinical ... #Differential #Diagnosis ... #Radiology #Neurology
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
bilateral & symmetric T2 ... various imaging patterns ... Leigh #Syndrome #Clinical ... #MRI #Brain #Diagnosis ... #Radiology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
- Basic MRI Brain ... • T2 Sequence ... - T2 sequences ... What is pathologic ... Neuroradiology #diagnosis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
heart valves • MRI ... brain for cerebral ... Underlying valve pathology ... often seen • MRI ... brain for cerebral
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
McDonald Criteria for Diagnosis ... in space in the brain ... based on 2 or more T2 ... McDonald #Criteria #Diagnosis ... Sclerosis #MS #neurology
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
T2-hyperintense ... musculoskeletal pathology ... • MRI shows globular ... #mri #clinical ... #Radiology #diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... Imaging Patterns ... Increased signal on T2 ... #management #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 ... signal intensity on T2 ... : The clinical ... dementia #AIDS #Neurology