14 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... granulomatosis: • EBV-associated ... #Brain #differential ... #radiology #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV-Associated Neurocognitive ... Definition: HIV-Associated ... similar to PML, but MRI ... Diagnosis: MRI ... The clinical syndrome
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Resonance Imaging (MRI ... #POCUS #radiology ... #differential #diagnosis ... #comparison #table
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... nervous system: Brain ... parainfluenza, Coxsackie, HIV ... Neoplastic: Malignancy-associated ... EMG) studies • MRI
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... ) • Several different ... #Clinical #MRI ... #Brain #Diagnosis ... #Radiology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
affecting the Brain ... important, as early diagnosis ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... fluctuations PRES-Associated ... showing cortical lesions ... Vascular narrowing on MRA ... parietal lobes of the brain
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms Associated ... With Different ... pressure, mass lesions ... deficits (CN Ill, IV ... #differential #diagnosis
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... demyelinating lesions ... ophthalmoplegia • Afferent ... resonance imaging [MRI ... • Acute: - IV
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to have a "wood-grain ... classic targetoid lesions ... include: infections (HSV ... PrathitKulkarni #Erythemas #comparison ... #differential #diagnosis