INTRODUCTION Interstitial lung disease (ILD) refers to a heterogeneous group of pathologies that affect the infant population. It is suspected in patients with tachypnea, hypoxemia and diffuse parenchymal involvement in chest x-rays. One of its known causes is the mutation of the ABCA3 gene, located on chromosome 16. A gene with 33 exons coding for the protein of the same name, responsible for transporting phospholipids to the lamellar bodies where they interact with surfactant precursor proteins. This mutation is innherited in
