36 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Comparison: T1 vs T2 ... #FLAIR #MRI #Brain ... #Comparison #clinical ... #radiology #diagnosis
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... Pons: ODS #MRI ... #Disorders #Clinical ... #Differential # ... Diagnosis #Radiology
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
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
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
McDonald Criteria for Diagnosis ... of Multiple Sclerosis ... in space in the brain ... based on 2 or more T2 ... #Multiple #Sclerosis
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 ... Clinical Presentation ... : The clinical
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 ... brain and/or optic ... 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
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
T2-hyperintense ... Differential diagnosis ... other systemic disorders ... #mri #clinical ... #Radiology #diagnosis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Arthritis) - MSK Radiology ... - T2 sequence ... prior signs or clinical ... Differential diagnosis ... #clinical #Radiology