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Here are the most common examples of these four patterns on a chest x-ray (click image
- Diffuse consolidation ... opacities - Fine Nodular ... Nodule - Multiple ... #Clinical #Radiology ... #Patterns #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
perilymphatic, random and centrilobular ... are diffuse and ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Algorithm #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Pattern #NodularPattern ... Comparison #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
- any pathologic ... opacities or small nodules ... . 3- Nodule or mass ... #Diagnosis #Radiology ... #Patterns #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... small (1 -4 mm) nodules ... #pulmonary #CXR ... #clinical #CT
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Low Attenuation Nodular ... Pneumoconiosis • Centrilobular ... Hemorrhage, Edema • Consolidation ... #Diagnosis #pulmonary ... #radiology
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential diagnosis ... nodules of ground ... density (acinar nodules ... #Clinical #Radiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
• Multiple centrilobular ... nodules arranged ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
of nodules Previous ... with a benign pattern ... mm depends on clinical ... #Pulmonary #Nodules ... #RadiologyAssistant