12 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... #Pattern #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Pattern #NodularPattern ... #Differential #Comparison
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... shows a mosaic pattern ... hyperaerated secondary nodules ... and secondry nodules ... Clinical #Radiology #CXR
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... - Multiple Masses ... Clinical #Radiology #CXR ... Consolidation #Patterns
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... irregular lines, nodular ... BOOP #pulmonary #ILD
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
Silicosis is a fibrotic ... lung disease caused ... coalescence of the nodules ... typical eggshell pattern ... clinical #radiology #CXR
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
are: ill-defined ... centrilobular nodules ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... indicates unknown cause ... combinations of fibrosis ... have specific patterns ... IdiopathicInterstitialPneumonia #ILD
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Interstitial Pneumonia - fibrosis ... Metastases to lung as nodules ... Chronic Radiation Pneumonitis ... Lung #Diseases #ILD ... #Causes #Differential
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 ... #Interstitial #Pneumonitis ... #Reticular #ILD