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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 ... on a chest x-ray ... - Multifocal ill-defined ... Interstitial - Reticular ... #Patterns #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... : reticular, nodular ... low attenuation (table ... The cystic pattern ... pattern on a CXR
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... bronchiolitis: ill ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... Differential #Comparison #Table
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... or multifocal ill-defined ... fine or coarse reticular ... #Patterns #RadiologyAssistant
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 ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework Reticular ... Low Attenuation Nodular ... Hemorrhage, Edema • Consolidation ... #CT #Patterns #
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
glass and foci of consolidation ... at times with a nodular ... a multilobular pattern ... Reticular opacities ... COVID19 #SARSCoV2 #CTChest
COVID-19 Chest CT - Case 2

Main aspects of the image: multiple opacities in the glass and
glass and foci of consolidation ... at times with a nodular ... a multilobular pattern ... Reticular opacities ... COVID19 #SARSCoV2 #CTChest
COVID-19 Chest CT - Case 1

Main aspects of the image: multiple opacities in the glass and
glass and foci of consolidation ... at times with a nodular ... a multilobular pattern ... Reticular opacities ... COVID19 #SARSCoV2 #CTChest