Interstitial pneumonia with autoimmune features: Clinical, radiologic, and histological characteristics and outcome in a series of 57 patients

摘要

Background: Interstitial pneumonia with autoimmune features (IPAF) has recently been defined by an international Taskforce to characterize interstitial lung disease associated with systemic manifestations limited to subtle serological and clinical autoimmune abnormalities and not fulfilling the international criteria for the diagnosis of a given connective tissue disease.