39 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... ILD caused by inhalation ... lung disease (RB-ILD ... polyangiitis, Eosinophilic ... #ILD #diagnosis
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis ... histiocytosis (PLCH) • Eosinophilic ... #ILD #Causes #Differential ... #Diagnosis #Algorithm
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... Nodule - Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... densities iin the left lung ... #Clinical #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Organizing Pneumonia - Diagnosis ... pneumonia, Chronic eosinophilia ... BOOP #pulmonary #ILD ... #diagnosis #management
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 ... seen and in many cases ... #Diagnosis #Radiology
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... Consolidation - any pathologic ... or multifocal ill-defined ... opacities. 2- Interstitial ... #Diagnosis #Radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... edema, severe ILD ... #Bronchogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... extending to the lung ... bronchiectasis, CF, ILD ... #Tram #Track #Sign ... #diagnosis #radiology