17 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... PCR 50% sensitive ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #radiology #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... DiagnosisInfections ... : Cerebral abscess ... #Differential #Diagnosis ... #neurology #radiology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
Algorithm for evaluating ... ring-enhancing lesions ... #cns #brain #diagnosis ... #causes #radiology ... #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Algorithm Unprovoked ... vasoconstriction syndrome ... injury • Infectious ... Abscess, Toxoplasmosis ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... - Differential Diagnosis ... cells per μL • Diagnosis ... tuberculomas, or abscesses ... #diagnosis #AIDS
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... nervous system: Brain ... : Brain abscess ... #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... common cause) • Infection ... encephalitis) • Brain ... lesions (e.g. stroke ... #diagnosis #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... Space-occupying brain ... lesionCNS ... infection (e.g., ... #Algorithm #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 ... important, as early diagnosis ... LHON) plus MRI lesions ... #neurology #noninflammatory
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... lesions, which ... Diagnosis: MRI ... The clinical syndrome ... dementia #AIDS #Neurology