22 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... #Brain #differential ... diagnosis #causes #radiology ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Antimicrobial treatment ... Imaging: - MRI ... , motor deficits ... #differential #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
history of cancer, HIV ... • Neurological deficits ... Space-occupying brain lesion ... • CNS infection ... Diagnosis #Algorithm #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
the CNS in the ... Diagnosis: MRI ... Treatment: • HAART ... reversible • HAND is also ... dementia #AIDS #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
disorder (Cardiac, pulmonary ... Lack of UMN/LMN signs ... parainfluenza, Coxsackie, HIV ... EMG) studies • MRI ... #Diagnosis #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
syndromes such as ... Afferent pupillary defect ... resonance imaging [MRI ... • Acute: - IV ... #treatment #MS
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... (IRIS): • In HIV ... or abruptly • CN ... Tuberculosis #diagnosis #differential ... #TB #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... deficits, TIA and ... oligoclonal bands • MRI ... aneurysms can also ... chorioretinitis, CNS
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Medium and large also ... Behcet disease) Differential ... Treatment: • Oral ... diagnosis #management #signs
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
The MRI findings ... 10mg/kg/8hr and also ... Neurological defects ... initial forehead lesions ... #physicalexam #neurology