7 results
Based on the images alone, it is usually not possible to determine the cause of the
like acute or chronic ... between these chest ... Organizing pneumonia (OP ... this is nodular interstitial ... Diagnosis #Radiology #CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Lymphocytic or lymphoid interstitial ... < 200: Pulmonary ... Evaluation: Imaging (CXR ... /- High res CT chest
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... opacities, Unilateral consolidation ... • HRCT: patchy consolidation ... organizing pneumonia, Chronic ... #BOOP #pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Lymphangitic Carcinoma, Interstitial ... Acute Eos PNA • Chronic ... , Chronic Eos PNA ... Hemorrhage, Edema • Consolidation ... Honeycombing: Idiopathic Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Physical stigmata of cor ... centrilobular nodules, or consolidation ... high-resolution chest ... Laboratory: • ANA, RF, CCP
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic CP ... dyspnea • Lobar consolidation ... Abdominal pain, chronic ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
of prior silent pulmonary ... immunocompromised CD4 ... w/ subacute-to-chronic ... flucytosine for 14 days, consolidation ... survival by 25% ↑ ICP