68 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... Sarcoidosis: nodules ... Hypersensitivity pneumonitis ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
hypersensitivity pneumonitis ... hyperaerated secondary nodules ... and secondry nodules ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Sarcoidosis: nodules ... Hypersensitivity pneumonitis ... Radiology #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
perilymphatic nodules ... enlarged lymph nodes ... located in the upper lobes ... Clinical #Radiology #CTChest ... Peribronchovascular #Nodular #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... perihilar and in upper lobes ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
#Clinical #Radiology #CXR #CTChest #Longstanding #Sarcoidosis #Fibrosis #Conglomerate #Nodules #RadiologyAssistant
Radiology #CXR #CTChest ... #Conglomerate #Nodules ... #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
centrilobular nodules ... hypersensitivity pneumonitis ... Clinical #Radiology #CTChest ... Hypersenstitivity #Pneumonitis ... Centrilobular #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
hypersensitivity pneumonitis ... hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Clinical #Radiology #CTChest ... HypersenstitivityPneumonitis #RadiologyAssistant
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
hypersensitivity pneumonitis ... the secondary lobules ... Clinical #Radiology #CTChest ... Hypersensitivity #Pneumonitis ... Centrilobular #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
centrilobular nodules ... . - If pleural nodules ... and also nodules ... Pulmonary #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant