17 results
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,
Pons: ODS #MRI ... #Disorders #Clinical ... #Differential # ... Diagnosis #Radiology ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes #radiology ... #neurology
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Mitochondrial disorder ... bilateral & symmetric T2 ... Leigh #Syndrome #Clinical ... #MRI #Brain #Diagnosis ... #Radiology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
for Diagnosis of Multiple ... in space in the brain ... based on 2 or more T2 ... Criteria #Diagnosis #Multiple ... Sclerosis #MS #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
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
evolution of the T2 ... it possible to differentiate ... #Stroke #CVA #Clinical ... #Radiology #Interpretation ... #Findings #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... spinal cord • T2 ... - Increased T2 ... diagnosis #management #neurology ... #differential
Congenital Cytomegalovirus Infection- Ultrasonographic images showed ventricular dilatation in the fetal brain, and T2-weighted magnetic resonance
dilatation in the fetal brain ... , and T2-weighted ... the newborn’s brain ... #clinical #NEJM ... #radiology #MRI
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder ... • Mononeuritis multiplex ... EMG) studies • MRI ... #Diagnosis #neurology