13 results
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 ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... #GroundGlass #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... The term 'mosaic ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
glass pattern in a mosaic ... hyperperfused lung ... #Clinical #Radiology ... #CTChest #GGO # ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
glass pattern in a mosaic ... hyperperfused lung ... #Clinical #Radiology ... #CTChest #GGO # ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... low attenuation (table ... is interstitial lung ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
expiratory scan: the mosaic ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
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 ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... Centrilobular #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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in the 'black' lung ... penicillamine) #Clinical #Radiology ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation ... #Comparison #RadiologyAssistant