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Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... mass - Solitary Pulmonary ... Consolidation #Patterns #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
nodules and the nodular ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Nodular ... #Differential #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... histiocytosis: early nodular ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
irregular and often nodular ... Pathophys #Radiology #Pulmonary ... TreeInBud #Diagram #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Nodular ... Differential #Algorithm #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
and other non-pulmonary ... Pulmonary hemorrhage ... Pumonary cardiogenic ... in fact this is nodular ... Consolidation #Causes #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
diagnosis in the nodular ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Nodular ... Comparison #Diagram #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
On a chest film only the outer contours of the heart are seen.
In many cases we
blood from the pulmonary ... just below the pulmonary ... blood from the inferior ... Ventricle - Most anterior ... Cardiac #Chambers #RadiologyAssistant
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
masses #Diagnosis #Pulmonary ... Differential #Table #Anterior ... Middle #Posterior #RadiologyAssistant