9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram ... Emphysema #SignetRing #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
centrilobular nodules ... identified in the lung ... #Radiology #Pulmonary ... #CTChest #TreeInBud ... #Diagram #RadiologyAssistant
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... on Chest CT • ... CT in a lobular ... #Lung #Pulmonary ... #diagnosis #radiology
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... structures of the lung ... #Diagnosis #Radiology ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... CT demonstrates ... can suggest the diagnosis ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... patterns: reticular, nodular ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential diagnosis ... are confluent, HRCT ... #Clinical #Radiology ... #CTChest #GGO # ... HypersenstitivityPneumonitis #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
centrilobular nodules ... in the adjacent lung ... hypertension • Mosaic ... : • HRCT (high-resolution ... chest CT) • Broncho-arterial
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... Nodular or irregular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant