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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Based on the images alone, it is usually not possible to determine the cause of the
illness, clinical ... between these chest ... this is nodular interstitial ... #Clinical #Diagnosis ... #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... organizing pneumonia, Chronic ... #BOOP #pulmonary ... #ILD #diagnosis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... organizing pneumonia (COP ... pneumonia: Acute, Chronic ... #diagnosis #differential ... #pulmonary #causes
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... Chronic diseases ... the differential diagnosis ... Cells - tumor, chronic ... #Pulmonary #CXR
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
and chronic consolidation ... the differential diagnosis ... organizing pneumonia (OP ... #Diagnosis #Radiology ... #Pulmonary #CXR
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
of OP. ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Lymphangitic Carcinoma, Interstitial ... Acute Eos PNA • Chronic ... , Chronic Eos PNA ... Hemorrhage, Edema • Consolidation
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
month history of chronic ... of chronic consolidation ... organizing pneumonia (OP ... #Clinical #Radiology ... #CXR #Peripheral
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... testing; CTEPH, chronic ... hypertension; CXR ... , chest X-ray; HPAH ... #Diagnosis #Peds