3311 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... consolidation #Clinical #Radiology ... #HRCT #CTChest
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... #Clinical #Radiology ... #CTChest #UIP #
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... #Clinical #Radiology ... #CTChest #UIP #
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... #Clinical #Radiology ... #CXR #CTChest #
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
sparing of the area ... #Clinical #Radiology ... #HRCT #CTChest
The CT-image is not very helpful in the differentiation.
There are hypodense areas, which could be masses.
On
are hypodense areas ... also could be areas ... with hypodense areas ... #Clinical #Radiology ... #CXR #CTChest #
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
centrilobular area ... LCH, but also areas ... #Clinical #Radiology ... #CTChest #Emphysema
Here an example of a large lesion in the right lower lobe, which is difficult to
to the hidden areas ... #Clinical #Radiology ... #CXR #CTChest #