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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Lobar consolidation ... - Multifocal ill-defined ... Nodule - Multiple Masses ... Clinical #Radiology #CXR
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... - Lobar or focal ... more than one pattern ... pneumonia caused ... Radiology #Pulmonary #CXR
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... include the list of causes ... of chronic consolidation ... pneumonia caused ... Clinical #Radiology #CXR
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... substances resulting in lobar ... or multifocal ill-defined ... Diagnosis #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... and GG pattern, ... • HRCT: patchy consolidation ... BOOP #pulmonary #ILD
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
are: ill-defined ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined ... #HypersensitivityPneumonitis
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
Lobar atelectasis ... The most common causes ... produces only mild ... Diagnosis #Radiology #CXR ... #Patterns #Comparison
Diffuse consolidation in bronchopneumonia
Here another case of diffuse consolidation.
This patient had fever and cough.
This was thought
Diffuse consolidation ... Unlike lobar pneumonia ... to multifocal ill-defined ... Bronchopneumonia can be caused ... Clinical #Radiology #CXR
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
named Hamman Rich Pneumonitis ... The histologic pattern ... diffuse or patchy consolidation ... There are areas of consolidation ... AcuteInterstitialPneumonia #ILD