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

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... opacities, Unilateral consolidation ... • HRCT: patchy consolidation ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... PCP Mycoplasma ... pneumonia. ... This was a PCP-infection ... Clinical #Radiology #CXR
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... (OP) - multiple ... this is nodular interstitial ... Diagnosis #Radiology #CXR
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 ... OP is organizing ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
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
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... (OP) or chronic ... eosinophilic pneumonia ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
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 ... COP. ... Radiology #HRCT #CTChest
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
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
of OP. ... such as lymphoma, infection ... cryptogenic organizing pneumonia ... Clinical #Radiology #CTChest ... #Organizing #Pneumonia