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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Consolidation - Lobar ... Nodule - Multiple Masses ... Atelectasis #Diagnosis ... Consolidation #Patterns #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... Clinical #Radiology #CTChest ... #Usual #Interstitial ... #Pneumonitis #ILD ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... low attenuation (table ... UIP can be suspected ... #Differential #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
The findings on ... reticular densities caused ... #Usual #Interstitial ... Pneumonitis #Reticular #ILD ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... fibrosis as in UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
is an important finding ... on a chest x-ray ... The most common causes ... produces only mild ... Patterns #Comparison #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... pneumonia caused ... #Differential #Table ... #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
non-pulmonary findings ... between these chest ... this is nodular interstitial ... #Clinical #Diagnosis ... #RadiologyAssistant
Lymphocytic interstitial pneumonitis or LIP is uncommon, being seen mainly in patients with autoimmune disease, particularly
Lymphocytic interstitial ... pneumonitis or LIP ... underlying disease HRCT findings ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant