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Here are the most common examples of these four patterns on a chest x-ray (click image
four patterns on a ... mass - Solitary Pulmonary ... Nodule - Multiple ... Diagnosis #Clinical #Radiology ... #Patterns #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
appearance in a ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... , it is likely a ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Sarcoidosis end-stage: consolidation ... as a result of ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
and other non-pulmonary ... Pulmonary hemorrhage ... in fact this is nodular ... Clinical #Diagnosis #Radiology ... #Causes #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
diseases with a ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
granulomatous noduli ... proteinosis is a ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
HR-pattern: reticular nodular ... (ground-glass, consolidation ... #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant