8 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... a patient with active ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Comparison #Table
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... +/- High res CT ... Fungal, AFB), TB ... Diseases Fellows ... #Infections #HIVAIDS
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
small (1 -4 mm) nodules ... throughout the lungs ... #Radiology #differential ... #diagnosis #pulmonary ... #CT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... CT Lung Abscess ... westermani • Other: TB ... #Abscess #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary ... Kansasii: • Mimics TB ... Lung Disease: ... Imaging, high res CT ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... centrilobular nodules ... CT) • Broncho-arterial ... #differential # ... diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Disease by CD4 ... • CT: Halo sign ... infiltrates, mimicking TB ... #AIDS #pulmonary