概述
Theobjectiveofthisstatementistoupdatethe2002AmericanThoracicSociety/EuropeanRespiratorySociety(ATS/ERS)clas-sificationofidiopathicinterstitialpneumonias(IIPs)(1).Focusisplacedondescribingchangestopreviouslydescribedclinicalenti-ties,describingnewclinicalentities,anddescribingnewhistologicpatterns.Thisupdateisnotintendedasastand-alonedocumentandshouldbeusedasasupplementtotheoriginal2002IIPclassi-fication.In2002,theATS/ERSIIPclassification(1)definedsevendiseasecategories,andproposedstandardizedterminologyanddiagnosticcriteria.Inaddition,thehistorical“goldstandard”ofhistologicdiagnosiswasreplacedbya“dynamicintegratedap-proach”usingmultidisciplinarydiscussion(MDD).The2002IIPclassificationwasusedin75%(157of208)ofallclinicalpublica-tionsonthetopicofIIPsbetween2004and2011.Thenewinfor-
mationfromthesepublicationsisincorporatedinthisupdate.
