12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... • 80% with lung ... #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
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
demyelinating lesions ... Signs and symptoms ... resonance imaging [MRI ... ] T2 lesions) McDonald ... #management #neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... /symptoms or echo ... heart valves • MRI ... brain for cerebral ... emboli: Multiple
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... • Mononeuritis multiplex ... Lack of UMN/LMN signs ... EMG) studies • MRI ... #neurology
Optic Neuritis - Diagnosis and Management
 • Epidemiology: Female (75%), 18-50 years,
caucasian
 • Symptoms: Moderate visual
Optic Neuritis - Diagnosis ... caucasian • Symptoms ... Unilateral • Signs ... R-G or B-Y • MRI ... (a), Brain: normal
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... and/or symptoms ... ruled out • Brain ... brain and/or optic ... #management #neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
affecting the Brain ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS ... BEE #Syndromes #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
brainstem and multiple ... spinal cord regions ... fasciculations Common Symptoms ... MRI: Brain, cervical ... Lateral #Sclerosis #neurology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Polymorphic skin lesions ... multiforme, • Multiple ... Constitutional symptoms