16 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... - Compatible syndrome ... + MRI lesions + ... #Brain #differential ... #radiology #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Lesions of the Spinal ... Spinal cord lesions ... syphilis, and HIV ... #lesions #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
cord neurological lesion ... the site of a lesion ... Corticospinal Tract Lesions ... 5 levels below lesion ... #neurology #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Space occupying lesions ... Brain tumor • Lesions ... Lesions Of The Peripheral ... EMG) studies • MRI ... #Diagnosis #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
pachymeningitis • HIV ... 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
bilateral white matter lesions ... well-defined than PML lesions ... Diagnosis: MRI ... syndrome of HAD ... dementia #AIDS #Neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Imaging: - MRI ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions ... InfectiousDiseases #Neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
results from a lesion ... MRI was ordered ... the hospital, diagnosed ... #PhysicalExam # ... ophthalmology #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
The MRI findings ... initial forehead lesions ... Ophthalmicus #HZO #clinical ... ophthalmology #physicalexam ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... cord infarct • HIV ... Imaging studies: • MRI ... #differential # ... #neurology