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Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... Nodule or mass ... - Solitary Pulmonary ... Nodule - Multiple ... #Radiology #CXR
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential # ... Comparison #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern ... #Differential #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
: reticular, nodular ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Pattern #Differential ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential ... centrilobular nodules ... density (acinar nodules ... #Clinical #Radiology ... #CTChest #GGO #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... small (1 -4 mm) nodules ... Endemic fungi: Histo ... #Chest #Radiology ... #CXR #clinical
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
for follow-up of nodules ... with a benign pattern ... mm depends on clinical ... #CTChest #Fleischner ... #Nodules #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... Nodular or irregular ... #Diagnosis #Radiology ... #CTChest #Reticular ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
bronchovascular interstitium ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Comparison #Table ... #RadiologyAssistant