9 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 #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Imaging Patterns ... and Metabolic Brain ... Pons: ODS #MRI ... #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 ... 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 ... #Sequences #Radiology ... Neuroradiology #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
spinal cord • T2 ... - Increased T2 ... • Infectious causes ... brain and/or optic ... Mycoplasma - Leptospirosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... Imaging Patterns ... Increased signal on T2 ... the underlying cause ... with AEDs until cause
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 ... : • Increased CSF ... signal intensity on T2 ... dementia #AIDS #Neurology
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
meningitis on T2 ... Diagnosis? ... of prior silent pulmonary ... #MRI #Brain #clinical ... #radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
a chest x-ray (CXR ... chest radiograph pattern ... that your brain ... not seen on a CXR ... Most commonly caused