11 results
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Interstitial - ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Clinical #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... • HRCT: patchy consolidation ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... (OP) - multiple ... this is nodular interstitial ... Diagnosis #Radiology #CXR
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... Cryptogenic organizing pneumonia ... Sarcoidosis end-stage: consolidation ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
that present with consolidation ... way to think of consolidation ... caused by streptococcus ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... Xray and POCUS ... Extensive pneumonia ... #CXR #Comparison ... Clinical #Lung #Pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic CP ... dyspnea • Lobar consolidation ... factor • May cause ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... of NSIP, UIP, OP ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Lymphangitic Carcinoma, Interstitial ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... Hemorrhage, Edema • Consolidation ... Honeycombing: Idiopathic Pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... identified, Strep pneumoniae ... Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... /- High res CT chest