14 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... - Compatible syndrome ... + MRI lesions + ... #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 ... • Do Not Touch lesions ... • Multiple NOF's ... Jaffe-Campanacci syndrome ... #diagnosis #msk
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... osteochondral lesion ... #clinical #Radiology ... #diagnosis #msk
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... demyelinating lesions ... resonance imaging [MRI ... ] T2 lesions) McDonald ... #management #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
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
important, as early diagnosis ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS ... #neurology #noninflammatory
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
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... results from a lesion ... multiple sclerosis ... MRI was ordered ... with MS, and started
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 ... The clinical syndrome ... #Neurology