11 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN ... Nerve Palsy • CN ... Nerve palsy • CN ... One-and-a-half Syndrome ... #differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... manifestations- Pneumonitis ... + MRI lesions + ... toxo IgG • CNS ... 30% present w/ CNS
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... should be based on clinical ... • Suspect in movement ... Imaging: - MRI ... , limb ataxia, gait
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... , ranging from mild ... /pain upon eye movement ... pain • Extra-CNS ... Manifestations #diagnosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... dissociation • Other causes ... #PhysicalExam #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 ... #neurology #noninflammatory ... #differential #
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 ... mononuclear cells in the CNS ... syndrome of HAD ... dysfunction like gait ... dementia #AIDS #Neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
This 28 year old ... (no horizontal movement ... MRI was ordered ... diagnosed with MS ... #neurology
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
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Transverse Myelitis - Clinical ... - Pleocytosis: Mild ... diagnosis #management #neurology ... #differential