[idiopathic interstitial pneumonia]. / Neumonías intersticiales idiopáticas.

Idiopathic interstitial pneumonias (IIPs) are a diagnostic challenge for pneumologists, radiologists and pathologists alike. The classification of IPPs is currently controversial. Pulmonary function testing is an essential component in order to establish a diagnosis and is required to guide prognosis and follow-up and monitor treatment outcome. High-resolution computed tomography is also essential for the diagnosis of IPPs and may also provide data on disease activity and prognosis.