12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... PCR 50% sensitive ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... #causes #radiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
on clinical presentation ... Imaging: - MRI ... tuberculomas, or abscesses ... Demyelinating disease ... caused by the JC
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... Clinical Signs ... decreased reflexes Pathophysiology ... : - MRI is modality ... damage - CXR should
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Pathophysiology ... Lung Abscess - Clinical ... of PCN allergy ... westermani • Other: TB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... emboli • Lung abscess ... characteristic features Clinical ... Tuberculin skin test ... HIV-infected patients should
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... emboli • Lung abscess ... characteristic features Clinical ... Tuberculin skin test ... HIV-infected patients should
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... Transverse Myelitis - Clinical ... should be ordered ... , Hep A/B/CMV, TB
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
treatment of HIV/AIDS ... worsening of that disease ... be present: • AIDS ... pleural effusions, CNS ... osteomyelitis, cutaneous abscesses
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... Lymphadenopathy, CNS ... infiltrates, mimicking TB ... Infections #HIV #AIDS
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Shock, Autoimmune disease ... Etiology: • Pathophysiology ... count in the CSF should ... the underlying cause ... until cause identified