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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
chronic eosinophilic pneumonia ... and UIP. ... #Diagnosis #Radiology ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... findings of NSIP, UIP ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... is seen in: - UIP ... edema #Diagnosis #Radiology ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... The old name is ... #Diagnosis #Radiology ... #Differential #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: reticular ... low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
a patient with UIP ... honeycombing comprises reticular ... #Clinical #Radiology ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
represents the second reticular ... usual interstitial pneumonia ... (UIP). ... #Clinical #Radiology ... UsualInterstitialPneumonia #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
a patient with DIP ... Reticular abnormalities ... smoking #Clinical #Radiology ... DesquamativeInterstitialPneumonia #ILD ... #RadiologyAssistant
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
pus is coughed up ... are usually very ill ... usually not that ill ... #Clinical #Radiology ... CavitaryPneumonia #RadiologyAssistant
In the images on your left you can appreciate again the spectrum of findings seen in
GGO with a fine reticular ... cases, excluding UIP ... #Clinical #Radiology ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant