27 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... : • Multiple Sclerosis ... #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 ... #Multiple #Sclerosis ... #MS #neurology
Stroke Mimics - Differential Diagnosis - MINT Mnemonic
 • Metabolic: Hyper-glycemia, Hypoglycemia, Wernicke's encephalopathy, Mitochondrial Encephalopathy
- Differential Diagnosis ... Lactic Acidosis and ... Todd Paralysis), Brain ... Aura, Multiple Sclerosis ... , Conversion Disorder
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 ... bilateral white matter lesions ... well-defined than PML lesions ... Diagnosis: MRI ... dementia #AIDS #Neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Metabolic Brain ... Pons: ODS #MRI ... Toxicology #Metabolic #Brain ... #Differential #Diagnosis ... #Radiology #Neurology
Stroke - Differential Diagnosis Algorithm and Management
Hemorrhagic:
 • Intracerebral: HTN, Cerebral Amyloid Angiopathy, Trauma, Bleeding Diathesis,
- Differential Diagnosis ... Algorithm and Management ... AVM, Aneurysm, Brain ... Moyamoya, Blood Disorders ... #neurology #treatment
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
ruled out • Brain ... brain and/or optic ... of multiple sclerosis ... : - Multiple sclerosis ... #management #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Non-neuromuscular disorder ... nervous system: Brain ... EMG) studies • MRI ... #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
demyelinating lesions ... impairment, Mood disorder ... resonance imaging [MRI ... ] T2 lesions) McDonald ... #neurology #treatment
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... • Multiple sclerosis ... Space-Occupying Lesion ... #Algorithm #Causes