11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... RingEnhancing #Lesions #Brain ... diagnosis #causes #radiology ... #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
dementia Pathophysiology ... and infects the CNS ... Diagnosis: MRI ... The clinical syndrome ... dementia #AIDS #Neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
affecting the Brain ... nervous system (CNS ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... #neurology #noninflammatory
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
nervous system: Brain ... • Infectious: Brain ... parainfluenza, Coxsackie, HIV ... EMG) studies • MRI ... Differential #Diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... Campylobacter jejuni - HIV ... complete paralysis of all ... axonal form • MRI ... management #treatment #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... Etiology: • Pathophysiology ... circulation: MCA ACA ... parietal lobes of the brain
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... brain and/or optic ... simplex virus, HIV ... diagnosis #management #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... reported this all ... The MRI findings ... ophthalmology #physicalexam ... #neurology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
“mee-mee-mee;” CN ... MRI brain and C-spine ... course of empiric IV ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... immunodeficiency virus (HIV ... the underlying pathophysiology ... - Spinal MRI may ... diagnosis #management #neurology