14 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 ... Toxicology #Metabolic #Brain ... Differential #Diagnosis #Radiology ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... RingEnhancing #Lesions #Brain ... diagnosis #causes #radiology ... #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
through the blood-brain ... similar to PML, but MRI ... Diagnosis: MRI ... reversible • HAND is also ... #Neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... hyperintense at all ... #Evolution #MRI ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
complete paralysis of all ... Can begin in arms ... axonal form • MRI ... Syndrome #diagnosis #management ... #treatment #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... edema visualized as ... Syndrome #diagnosis #management ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Lateral Sclerosis (ALS ... ) Summary ALS: combination ... MRI: Brain, cervical ... Lateral #Sclerosis #neurology ... #diagnosis #management
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms ... ruled out • Brain ... brain and/or optic ... Myelitis #diagnosis #management ... #neurology #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... Myotonic dystrophy - Brain ... Generalized fatigue - ALS ... Gravis #diagnosis #management ... #neurology
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
ancestry, LGE on MRI ... /ARNI/MRA • Avoid ... Avoid ARBs • ICD ... defibrillator as ... #cardiology #treatment