HRCT Diagnostic Criteria for HP, NSIP, and UIP

Obtaining a confident radiologic diagnosis is often difficult as the features of interstitial lung diseases often have significant overlap. Distinguishing between UIP, NSIP, and chronic fibrotic hypersensitivity pneumonitis is often difficult in clinical practice as the HRCT findings only allow a confident diagnosis 50% of the time.9 Key features for making a confident or probable diagnosis are shown here.9

For a more detailed analysis of the features associated with these diagnosis, please click here.