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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 ... - Diffuse consolidation ... - Multifocal ill-defined ... Interstitial - Reticular ... Nodule - Multiple Masses
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... is reticular. ... seen and in many cases ... #Pattern #Differential
Whenever you see an area of increased density within the lung, it must be the result
. 1- Consolidation ... resulting in lobar, diffuse ... or multifocal ill-defined ... opacities. 2- Interstitial ... fine or coarse reticular
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
In most cases these ... to segmental, diffuse ... In some cases however ... densities is interstitial ... #Differential #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... and GG pattern, ... • HRCT: patchy consolidation ... Pulmonary lymphoma, Diffuse ... BOOP #pulmonary #ILD
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Diagnosis Algorithm ... Neoplasm Pulmonary Interstitium ... • ILD • CHF
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... characterized by diffuse ... The histologic pattern ... or patchy consolidation ... AcuteInterstitialPneumonia #ILD