14 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis ... : ill defined centrilobular ... #Comparison #Table ... #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... acute reticular pattern ... The other cause ... Clinical #Radiology #CXR ... Pneumonia #PJP #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Differential #Comparison ... #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Nodule - Multiple Masses ... Clinical #Radiology #CXR ... Consolidation #Patterns ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
pneumonia • formerly BOOP ... Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... #pulmonary #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... lobar pneumonia caused ... BOOP - Bronchiolitis ... Radiology #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... also known as BOOP ... Clinical #Radiology #CXR ... OrganizingPneumonia #BOOP ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... indicates unknown cause ... have specific patterns ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
are: ill-defined ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined ... Centrilobular #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 #CXR ... Redistribution #RadiologyAssistant