9 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
another case of hypersensitivity ... There is a mosaic ... opacity due to lung ... #Clinical #Radiology ... #CTChest #Hypersensitivity
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 ... There are ill-defined ... #Clinical #Radiology ... #CTChest #Hypersensitivity
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Hypersensitivity ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... expiratory scan: the mosaic ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Differential diagnosis of Hypersensitivity ... throughout the whole lung ... Clinical #Diagnosis #Radiology ... #CTChest #UIP # ... Comparison #Chronic
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
smoker with RB-ILD ... the right has hypersensitivity ... #Clinical #Radiology ... #CTChest #RBILD ... #Comparison #HypersensitivityPneumonitis
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... In these cases comparison ... with old fims can ... #Clinical #Radiology
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
in the 'black' lung ... penicillamine) #Clinical #Radiology ... #CTChest #MosaicAttenuation ... #Mosaic #Attenuation ... #Comparison #RadiologyAssistant