18 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
, Pulmonary alveolar ... adenopathy: M. tuberculosis ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... #differential #
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... disease or CHF) ... ) • Abnormal CXR ... refer + order CT ... Diagnosis #Algorithm #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
reach the terminal alveoli ... taken up by the alveolar ... and Culture • CXR ... Treatment: Active ... • 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 ... Treatment: Active ... • Check CXR and
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... Abscess Differential
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
area of the left lung ... The differential ... for tuberculosis ... PCC #Radiology #CXR ... #Oleothorax #NEJM
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Mycobacterium: Tuberculosis ... diagnosis #pulmonary #CXR ... #clinical #CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... • CT: Halo sign ... phagocytic function of alveolar ... factor • May cause
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 ... Infectious Diseases ... diagnosis #evaluation #differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... content of the alveoli ... lobar pneumonia caused ... respond to the treatment ... Radiology #Pulmonary #CXR