14 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
There is a mosaic pattern ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Mosaic #GroundGlass ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
non-perfused vessels and causes ... In these cases comparison ... with old fims can ... #Clinical #Radiology ... Redistribution #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
20-40% of the cases ... the ground-glass pattern ... #Clinical #Radiology ... #CTChest #GroundGlass ... #GGO #RadiologyAssistant
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
This case is one ... #Clinical #Radiology ... #CTChest #NSIP ... NonspecificInterstitialPneumonia #GroundGlass ... #GGO #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... bronchiectasis) #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
opacity (80% of cases ... ) or mosaic pattern ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... Centrilobular #RadiologyAssistant