15 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #causes #radiology ... #neurology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
attacks, 2 or more lesions ... more attacks, 1 lesion ... • 1 attack, 2 lesions ... • 1 attack, 1 lesion ... #MS #neurology
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
geographic, lucent lesion ... cortically based lesion ... • Multiple NOF's ... for similar lesion ... #diagnosis #msk
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
radiographic features • Multiple ... Imaging: - MRI ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions
Kaposi Sarcoma Forms
Kaposi Sarcoma (KS) is an endothelial cell cancer with an inflammatory component, which has
limbs with few lesions ... with lower-limb lesions ... cutaneous lesions ... Mucosal lesions ... as cutaneous KS lesions
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
demyelinating lesions ... resonance imaging [MRI ... ] T2 lesions) McDonald ... • Acute: - IV ... #management #neurology
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 ... disorder #dementia #AIDS ... #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Space occupying lesions ... Brain tumor • Lesions ... Lesions Of The Peripheral ... • Mononeuritis multiplex ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... less swollen - Lesion ... or optic nerve lesions ... simplex virus, HIV ... #management #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
results from a lesion ... multiple sclerosis ... MRI was ordered ... the hospital, diagnosed ... with MS, and started