8 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 #LowAttenuation ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
glass pattern in a mosaic ... enlargement of pulmonary ... Clinical #Radiology #CTChest ... #GGO #Mosaic #Thromboembolism ... #RadiologyAssistant
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
hyperperfused lung ... intravascular septa ... Clinical #Radiology #CTChest ... #GGO #Mosaic #Thromboembolism ... #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... with interstitial lung ... in interstitial pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... incidental finding in HRCT ... #CTChest #Reticular ... #Pattern #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
, interlobular septa ... structures of the lung ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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right with the pulmonary ... Clinical #Radiology #CTChest ... MosaicAttenuation #Mosaic ... #Attenuation #Comparison ... #RadiologyAssistant