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Here are the most common examples of these four patterns on a chest x-ray (click image
- Multifocal ill-defined ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #Patterns #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... lobar pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... , cavities • HRCT ... : patchy consolidation ... #BOOP #pulmonary ... #ILD #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Organizing pneumonia (OP ... #Clinical #Diagnosis ... #Radiology #CXR ... #Causes #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... The final diagnosis ... pneumonia the HRCT ... this #Clinical #Radiology ... OrganizingPneumonia #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... of chronic consolidation ... organizing pneumonia (OP ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
(ground-glass, consolidation ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm #ILD ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
aswell as the HRCT ... suggestive of the diagnosis ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant