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Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Multifocal ill-defined ... - Reticular interstitial ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... • SPN or mass ... #Halo #Sign #CT ... #diagnosis #radiology ... #clinical
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... responses of the lung ... involvement of the lung ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... in many cases UIP ... #Diagnosis #Radiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
pulmonary diseases in HIV ... Patients • Diffuse Interstitial ... ., NHL; Lung cancer ... #differential #diagnosis ... #chestCT #radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... in the proper clinical ... #Clinical #Radiology ... #CXR #CTChest #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... legionella/strep, HIV ... ANA, RF, CCP, CPK ... BOOP #pulmonary #ILD
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... a reticular interstitial ... preference at the lung ... #Clinical #Radiology ... #CXR #UIP #CTChest
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial ... LowerLungPredominance #ILD