17 results
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
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
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lesions Infectious ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes #radiology
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
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
early stages of infection ... similar to PML, but MRI ... Diagnosis: MRI ... signal intensity on T2 ... : The clinical
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
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 ... #Evolution #MRI ... #Stroke #CVA #Clinical ... #Radiology #Interpretation
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder ... : Brain abscess ... • Mononeuritis multiplex ... EMG) studies • MRI
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Disease (HADD) - MSK Radiology ... • T2-hyperintense ... • MRI shows globular ... other systemic disorders ... #mri #clinical
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
- MSK Radiology ... Differential diagnosis ... Intermetatarsal bursitis: T2 ... #foot #clinical ... #mri #clinical