262 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... and interstitial ... listed in the table ... idiopathic or cryptogenic
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... BOOP • Type of interstitial ... malignancy and other interstitial ... Unknown • 6-7 cases ... CAP, Idiopathic interstitial
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 ... ), Nonspecific interstitial ... pneumonia (NSIP), Cryptogenic ... differential #pulmonary #causes
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... • (UIP) Usual Interstitial ... ) Desquamative Intersitial ... , worse at the bases ... Diseases #ILD #Causes
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... Cryptogenic organizing ... Pattern #Comparison #Table
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... most frequently caused ... by interstitial ... The other cause ... is interstitial
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... #Differential #Table
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial ... LIP: lymphoid interstitial ... I-JIP: usual interstitial ... AIP: acute interstitial ... Differential #Comparison #Table
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... BrighamChiefs #ILD #Causes ... Differential #Diagnosis #interstitial
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
imaging findings in interstitial ... low attenuation (table ... whether there is interstitial ... seen and in many cases ... Pulmonary #CXR #Interstitial