29 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... angioinvasive disease ... • CT: Halo sign ... infiltrates, mimicking 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
characteristic features Clinical ... : Latent TB: • ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... ) • CXR upright ... seen • Chest CT ... 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
characteristic features Clinical ... : Latent TB: • ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... History of cancer, lung
Pneumonia on Point of Care Ultrasound (POCUS)

Haitian woman fever, cough & this clip => PNA &
Pneumonia on Point ... clip => PNA & TB ... No CXR (machine ... hole of “truth” (CT ... #Lung #Pulmonary
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Fungal, AFB), TB ... Infectious Diseases
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... rarely typical pneumonia ... #pulmonary #CXR ... #clinical #CT
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... Infection (Bacterial, TB ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary #diagnosis