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Here are the most common examples of these four patterns on a chest x-ray (click image
Lobar consolidation ... - Diffuse consolidation ... mass - Solitary Pulmonary ... #Clinical #Radiology ... #Patterns #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
Centrilobular distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Random #Centrilobular ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
and centrilobular ... the nodules are diffuse ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Algorithm #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
of distribution ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Lobar #Diffuse ... Differential #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
- any pathologic ... substances resulting in lobar ... , diffuse or multifocal ... #Diagnosis #Radiology ... #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 ... (ground-glass, consolidation ... perilymphatic or random ... #Radiology #Pulmonary ... #RadiologyAssistant