14 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... Compatible syndrome + MRI ... lung nodules, may also ... #diagnosis #causes ... #radiology #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Ill Palsy - ... abnormal extraocular movements ... dissociation • Other causes ... #PhysicalExam #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... • Suspect in movement ... Imaging: - MRI ... Demyelinating disease caused
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm Clinical ... • Neurologic ... suggest a mass as ... the cause
Hemimasticatory Spasm on Physical Exam

Hemimasticatory spasm is a disorder of the trigeminal nerve → involuntary jaw
patient had a normal MRI ... Myokimia will cause ... such gross movement ... #cheek #CN5 #video ... #neurology
â–º
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
impairment • Mild ... Depressive symptoms • Movement ... show symmetric bilateral ... reversible • HAND is also ... dementia #AIDS #Neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
This 28 year old ... the follow up video ... (no horizontal movement ... MRI was ordered ... #neurology
â–º
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Powassan, louping ill ... • Common clinical ... or bilateral. ... /l is regarded as
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of the clinical ... - Causes progressive ... MRI: Brain, cervical ... conditions listed in differential ... #Sclerosis #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
nervous system (CNS ... neuropathy (LHON) plus MRI ... lesions and clinical ... BEE #Syndromes #neurology ... noninflammatory #differential