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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 ... consolidation - Diffuse ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology ... #CXR #Consolidation
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... seen and in many cases ... UIP can be suspected ... #Diagnosis #Radiology ... Pattern #Differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse ... BOOP #pulmonary #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... , OP and LIP have ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD
Whenever you see an area of increased density within the lung, it must be the result
resulting in lobar, diffuse ... opacities. 2- Interstitial ... the amount of air ... #Diagnosis #Radiology ... #CXR #Consolidation
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... characterized by diffuse ... The histologic pattern ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... dealing with the differential ... organizing pneumonia (OP ... #Clinical #Radiology ... #CXR #Peripheral
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
to segmental, diffuse ... densities is interstitial ... #Diagnosis #Radiology ... #CXR #Multifocal ... Consolidation #Differential
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Anti-MDA5 (RP-ILD ... slow onset and pattern ... statins - probably caused ... #rheumatology #differential