8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Diagnosis- Compatible syndrome ... + MRI lesions + ... Lesions #Brain #differential ... causes #radiology #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
nervous system (CNS ... skull neoplasms (e.g ... neuropathy (LHON) plus MRI ... #neurology #noninflammatory ... #differential #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... electromyographic (EMG ... ) studies • MRI ... #Weakness #Differential ... #Diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Vascular narrowing on MRA ... Anterior circulation: MCA ... Reversible course Differential ... • EEG: With persistent
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
(CES) is usually ... perineum, and posterior ... Imaging studies: • MRI ... #differential # ... diagnosis #causes #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 ... white matter and posterior ... The clinical syndrome ... dementia #AIDS #Neurology
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Pachymeningitis - Differential ... of patients MRI ... brain sagging syndrome ... of patients MRI ... Pachymeningitis #HP #Neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... cognitive impairment, neurologic ... oligoclonal bands • MRI ... chorioretinitis, CNS