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

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Antimicrobial treatment ... Imaging: - MRI ... tuberculomas, or abscesses ... #diagnosis #AIDS
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Diagnosis Algorithm ... Hemorrhage • CNS ... Intracranial Mass/lesion ... Hematoma • Abscess ... #Diagnosis #Algorithm
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 ... , but MRI will show ... lesions, which ... Diagnosis: MRI ... disorder #dementia #AIDS
Parosteal Lipoma - MSK Radiology
Imaging Findings:
 • Frontal radiograph displays a radiolucent soft-tissue mass with internal
Parosteal Lipoma - MSK ... Radiology Imaging ... • Increased tracer ... • No treatment ... #diagnosis #msk
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
of HIV/AIDS patients ... be present: • AIDS ... pleural effusions, CNS ... osteomyelitis, cutaneous abscesses ... Leishmaniasis Differential
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
nervous system (CNS ... and treatment can ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
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: • ... Spinal infection/abscess ... Imaging studies: • MRI ... axial T1 and T2 Treatment
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 ... Transverse Myelitis Treatment ... management #neurology #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... Polymorphic skin lesions ... Lymphadenopathy, CNS ... Infections #HIV #AIDS