An Infant Presenting with Interstitial Lung Disease Diagnosed Later as Hunter Syndrome: A Case Report.

BACKGROUND Hunter syndrome is a multisystem metabolic inherited disease belonging to the large group of mucopolysaccharidoses (MPSs). Hunter syndrome is also known as MPS type II. Its association with respiratory symptoms has been well documented in the literature; however, it is uncommon that these patients initially present with diffuse lung disease and respiratory failure.