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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 ... consolidation - Multifocal ... Pulmonary Nodule - Multiple ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... - Multiple - usually ... multiple ill-defined ... #Table #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses ... diagnostic list of multiple ... listed in the table ... differentiate multifocal ... #Differential #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... resulting in lobar, diffuse ... or multifocal ill-defined ... either solitary or multiple ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... LowAttenuation #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH): multiple ... LowAttenuation #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #RadiologyAssistant
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
Multifocal Multifocal ... also described as multifocal ... to segmental, diffuse ... underlying pathology of multiple ... #Differential #RadiologyAssistant
Diffuse consolidation in bronchopneumonia
Here another case of diffuse consolidation.
This patient had fever and cough.
This was thought
Diffuse consolidation ... another case of diffuse ... It will lead to multifocal ... usually starts in multiple ... #RadiologyAssistant