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

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... syphilis, and HIV ... Posterior Cord ... #lesions #differential ... #diagnosis #neurology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... hallucis longus Differential ... osteochondral lesion ... Trigonum #OsTrigonum #Syndrome ... #clinical #mri
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Anterior Uveitis - Differential ... anterior uveitis • Posterior-choroid ... B27-related syndrome ... Anterior #Uveitis #Differential ... Diagnosis #Causes #ophthalmology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
similar to PML, but MRI ... Diagnosis: MRI ... white matter and posterior ... The clinical syndrome ... dementia #AIDS #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 #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... parainfluenza, Coxsackie, HIV ... EMG) studies • MRI ... #Weakness #Differential ... #Diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN IV ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... showing cortical lesions ... Vascular narrowing on MRA ... Reversible course Differential ... diagnosis #management #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... skin injury) • Neurologic ... tests in Behcet syndrome ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology