23 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... : centrilobular ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... Comparison #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Hypersensitivity pneumonitis ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... Comparison #Table #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
nodules of ground-glass ... 80% of cases) or mosaic ... pattern of a combination ... Clinical #Radiology #CTChest ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... secondary nodules ... and secondry nodules ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... presents with centrilobular ... Clinical #Radiology #CTChest ... HypersenstitivityPneumonitis #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... perilymphatic, random and centrilobular ... distribution is likely centrilobular ... Pulmonary #HRCT #CTChest ... #Algorithm #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
Sometimes the centrilobular ... Clinical #Radiology #CTChest ... Hypersensitivity #Pneumonitis ... #Centrilobular ... #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
Ill defined centrilobular ... nodules of ground ... hypersensitivity pneumonitis ... Clinical #Radiology #CTChest ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
hypersensitivity pneumonitis ... There is a mosaic ... pattern. ... Clinical #Radiology #CTChest ... #GroundGlass #RadiologyAssistant