Pictorial Review of Fibrotic Interstitial Lung Disease on High Resolution CT Scan and Updated Classification

Topic Importance Given the recently expanded approval of anti-fibrotics for various fibrotic interstitial lung diseases (ILDs), early and correct recognition of these diseases is imperative for clinicians. As high resolution chest CT (HRCT) forms the backbone of diagnosis for ILD, this review will discuss evidence-based imaging findings of key fibrotic ILDs and an approach for differentiating these diseases.