Can Interstitial Lung Disease Be A Para-Neoplastic Syndrome?

Interstitial lung diseases (ILD) are a group of conditions with varied etiology, clinical presentation, management, outcome and complications. Although studies have described lung cancer as a sequel of ILD, the association of ILD with non-lung malignancies or ILD presenting as a paraneoplastic syndrome of an underlying occult malignancy deserves further study. In this case series, we describe eight patients with an ILD and an associated neoplasm and discuss the different questions raised by this association.