11 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... phagocytic function of alveolar ... infiltrates, mimicking TB
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: Pleuritic chest ... Blood cultures • CXR ... ) • CXR upright ... CT Lung Abscess ... 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
reach the terminal alveoli ... taken up by the alveolar ... 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
reach the terminal alveoli ... taken up by the alveolar ... and Culture • CXR ... Tuberculosis Treatment ... • Check CXR and
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... +/- High res CT ... chest scan), CBC ... 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 ... diagnosis #pulmonary #CXR ... #clinical #CT
Here a typical lobar consolidation.
First study the images, then continue reading.
The findings are:
increased density with ill-defined
borders in the left lung ... the result of disease ... some alveoli will ... , TB and lung cancer ... Clinical #Radiology #CXR
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... filling of the alveoli ... nodular interstitial lung ... disease, that is ... Diagnosis #Radiology #CXR
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... be seen on the chest ... infection like TB ... one month after treatment ... Clinical #Radiology #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Infection: TB ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... mycobacteria Treatment