15 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... lung nodules, may also ... #Brain #differential ... causes #radiology #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... • Infectious: Brain ... EMG) studies • MRI ... #Diagnosis #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 ... #neurology #noninflammatory ... #differential #
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Autoimmune (SLE/APLS ... heart valves • MRI ... brain for cerebral ... #Endocarditis #comparison ... Marantic #diagnosis #table
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Medium and large also ... Behcet disease) Differential ... Reactive Arthritis, AS ... #diagnosis #management
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... showing cortical lesions ... Reversible course Differential ... #diagnosis #management ... #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 ... Diagnosis: MRI ... The clinical syndrome ... reversible • HAND is also ... dementia #AIDS #Neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
least two or more regions ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology ... #diagnosis #management
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... 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
life-threatening Differential ... Myotonic dystrophy - Brain ... Generalized fatigue - ALS ... Gravis #diagnosis #management ... #neurology