21 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
granulomatosis: • EBV-associated ... , LAD, and hepatomegaly ... cryptococcus, and ... #Brain #differential ... causes #radiology #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Systemic symptoms and ... Space-occupying brain ... lesionCNS ... #Differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Principles of HIV-Associated ... ; associated intracranial ... #Infections #differential ... #diagnosis #AIDS
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Headache - Differential ... : • Traumatic brain ... • CNS Vasculitis ... #differential # ... ophthalmology #Neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
infects the CNS ... bilateral white matter lesions ... well-defined than PML lesions ... disorder #dementia #AIDS ... #Neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in size (micro and ... • CNS: parietal ... encephalitis) • Brain ... lesions (e.g. stroke ... #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease associated ... basal ganglia, CNS ... meningitis), MCC CNS ... symptoms (headache ... Behcet disease) Differential
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
affecting the brain ... nervous system (CNS ... • MOG antibody-associated ... BEE #Syndromes #neurology ... #inflammatory #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... pulmonary etc) • CNS ... nervous system: Brain ... • Infectious: Brain ... Neoplastic: Malignancy-associated
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... parietal lobes of the brain ... fluctuations PRES-Associated ... showing cortical lesions ... Reversible course Differential