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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 ... Interstitial - ... Nodule or mass ... Clinical #Radiology #CXR ... #Patterns #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 ... bronchovascular interstitium ... #Nodular #Pattern
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... Sarcoidosis end-stage: consolidation ... HighAttenuation #Pattern ... #Comparison #Table
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... opacities, Unilateral consolidation ... and GG pattern, ... irregular lines, nodular ... • HRCT: patchy consolidation
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... opacities. 2- Interstitial ... Diagnosis #Radiology #CXR ... #Patterns #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... peribronchovascular interstitium ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern ... Perilymphatic #Comparison
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
Sarcoidosis On a CXR ... can present as consolidation ... Clinical #Radiology #CXR ... #Interstitial # ... Pattern #Sarcoidosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Lymphangitic Carcinoma, Interstitial ... Low Attenuation Nodular ... Hemorrhage, Edema • Consolidation ... HighRes #Chest #CT #Patterns
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
the following patterns ... : Consolidation ... Atelectasis Nodule ... Pathophys #Radiology #CXR ... #Lung #Patterns