18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Imaging: - MRI ... tuberculomas, or abscesses ... Infections in HIV
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... cells in the CNS ... , but MRI will show ... lesions, which ... Diagnosis: MRI
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Diagnosis Algorithm ... Hemorrhage • CNS ... Infection ... Intracranial Mass/lesion ... Hematoma • Abscess
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Diagnosis Framework ... compression by fractured ... Infections: - ... HIV, CMV, HTLV
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... Diagnosis: • ... • HIV related ... infection/abscess ... Imaging studies: • MRI
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... of the spinal cord ... : Brain abscess ... parainfluenza, Coxsackie, HIV ... EMG) studies • MRI
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
stenosis - Abscess ... Infarction - Infection ... syphilis, and HIV ... #differential # ... diagnosis #neurology
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
- MSK Radiology ... hypointense signal ... Diagnose with X-RAY ... Differential diagnosis ... #msk
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... compressive cord lesion ... or optic nerve lesions ... simplex virus, HIV ... management #neurology #differential