10 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... on Chest CT • ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
There is a mosaic ... opacity due to lung ... bronchiolitis with air ... #Clinical #Radiology ... #CTChest #Hypersensitivity
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... in the proper clinical ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest #
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CTAir surrounding ... #Monod #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
expiratory scan: the mosaic ... scan, indicating air ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
80% of cases) or mosaic ... opacity due to lung ... bronchiolitis with air ... #Clinical #Radiology ... #CTChest #Hypersensitivity
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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expiratory scans for air ... bronchiolitis with air ... penicillamine) #Clinical ... #Radiology #CTChest ... MosaicAttenuation #Mosaic
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
revealed decreased air ... A chest radiograph ... tomography of the chest ... #NEJM #clinical ... #radiology #CT #