12 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... +/- High res CT ... Fungal, AFB), TB ... Diseases Fellows ... diagnosis #evaluation #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... seen • Chest CT ... westermani • Other: TB ... Abscess Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
abscess Primary ... characteristic features Clinical ... and Culture • CXR ... Tuberculosis Treatment ... • Check CXR and
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
abscess Primary ... characteristic features Clinical ... and Culture • CXR ... Tuberculosis Treatment ... • Check CXR and
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... Disease: • Clinical ... Imaging, high res CT ... #differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based on clinical ... Antimicrobial treatment ... tuberculomas, or abscesses ... enhancement on CT ... Demyelinating disease
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... in the adjacent lung ... high-resolution chest CT ... mycobacteria Treatment ... Bronchiectasis #pulmonary #differential
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
worsening of that disease ... noncompliance • Clinical ... initiation Clinical ... osteomyelitis, cutaneous abscesses ... Leishmaniasis Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... factor • May cause ... infiltrates, mimicking TB