11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... granulomatosis: • EBV-associated ... #Brain #differential ... causes #radiology #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Space-occupying brain ... lesionCNS ... #Differential # ... Diagnosis #Algorithm #neurology
Photophobia and Headache - Differential Diagnosis Framework

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

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

Pathophysiology:
HIV frequently
through the blood-brain ... bilateral white matter lesions ... well-defined than PML lesions ... #dementia #AIDS ... #Neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Principles of HIV-Associated ... ; associated intracranial ... Suspect in movement disorders ... #diagnosis #AIDS
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... encephalitis) • Brain ... lesions (e.g. stroke ... • Psychiatric disorders ... #differential
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
affecting the brain ... nervous system (CNS ... optica spectrum disorder ... BEE #Syndromes #neurology ... #inflammatory #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder ... 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
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... ruled out • Brain ... MRI: Check for brain ... diagnosis #management #neurology ... #differential