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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 ... Interstitial - Reticular ... - Multiple Masses ... #Patterns #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... resulting in lobar, diffuse ... fine or coarse reticular ... #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... usually multiple ill-defined ... more than one pattern ... lobar pneumonia caused ... The old name is
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... and GG pattern, ... irregular lines, nodular ... Pulmonary lymphoma, Diffuse ... BOOP #pulmonary #ILD
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... (ground-glass, consolidation ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
-19 Chest CT - Case ... glass and foci of consolidation ... at times with a nodular ... a multilobular pattern ... Reticular opacities
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
- Crazy paving pattern ... : reticular pattern ... ground glass to consolidation ... interlobular and intra-lobular ... This is caused by
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... cysts along with nodules ... septal thickening & nodules ... LCDD, SS Cyst pattern ... presentations - ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
characterized by diffuse ... The histologic pattern ... characteristics are diffuse ... or patchy consolidation ... AcuteInterstitialPneumonia #ILD
COVID-19 Chest CT - Case 3

Main aspects of the image: multiple opacities in the glass and
-19 Chest CT - Case ... glass and foci of consolidation ... at times with a nodular ... a multilobular pattern ... Reticular opacities