9 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
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
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
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
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
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... - Differential Diagnosis ... : - Multiple sclerosis ... #diagnosis #neurology ... differential #algorithm
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Amyotrophic Lateral Sclerosis ... finding of lateral sclerosis ... least two or more regions ... MRI: Brain, cervical ... #neurology #diagnosis
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
- Differential Diagnosis ... Algorithm Lower ... Neuron Disease • Lesions ... Paraneoplastic Disorder ... #Dysarthria #Neurology