8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... toxo IgG • CNS PCR ... #Brain #differential ... #diagnosis #causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... - Emergency Causes ... Differential Diagnosis ... Imaging studies: • MRI ... #causes #neurology
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Normal Reflexes - Brain ... Intracranial Mass/lesion ... Other Congenital Syndromes ... Transient Myasthenia Gravis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myotonic dystrophy - Brain ... Miller Fischer and PCB ... myasthenia Diagnosis ... #diagnosis #management ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... nervous system: Brain ... Postsynaptic: Myasthenia Gravis ... EMG) studies • MRI ... #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... Non-inflammatory causes ... neuropathy (LHON) plus MRI ... lesions and clinical
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
, but MRI will show ... bilateral white matter lesions ... lesions, which ... Diagnosis: MRI ... The clinical syndrome
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... showing cortical lesions ... the underlying cause ... with AEDs until cause ... #neurology