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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... seen and in many cases ... #Diagnosis #Radiology ... Pattern #Differential ... #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... combinations of fibrosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... reticular densities caused ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... to confirm the diagnosis ... #Clinical #Radiology ... #Interstitial # ... #Honeycombing #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
The differential ... diagnosis includes ... #Clinical #Radiology ... #CXR #Lateral # ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
with end-stage fibrosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Mimic #ILD #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... dealing with the differential ... #Clinical #Radiology ... #CXR #Peripheral ... OrganizingPneumonia #BOOP #RadiologyAssistant