间质性肺炎
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ESR/ATS官方共识：自身免疫特征的间质性肺炎2015
Many patients with an idiopathic interstitial pneumonia (IIP) have clinical features that suggest an underlying autoimmune process but do not meet established criteria for a connective tissue disease (CTD). Researchers have proposed differing criteria and terms to describe these patients, and lack of consensus over nomenclature and classification limits the ability to conduct prospective studies of a uniform cohort.
许多特发性间质性肺炎（IIP）患者的临床特征提示有潜在的自身免疫性过程，但不符合既定的结缔组织病（CTD）的标准。
研究者提出了不同的标准和术语来描述这些患者，但是缺乏命名和分类的共识，从而限制了对这类疾病进行统一队列的前瞻性研究。
The “European Respiratory Society/American Thoracic Society Task Force on Undifferentiated Forms of Connective Tissue Disease-associated Interstitial Lung Disease” was formed to create consensus regarding the nomenclature and classification criteria for patients with IIP and features of autoimmunity.
“欧洲呼吸协会(ERS)/美国胸科学会(ATS)成立结缔组织病（CTD）相关性间质性肺疾病特别工作组”针对特发性间质性肺炎（IIP）伴有自身免疫特征的患者，经过研究和讨论创建了有关的术语和分类标准。
The task force proposes the term “interstitial pneumonia with autoimmune features”(IPAF) and offers classification criteria organised around the presence of a combination of features from three domains: a clinical domain consisting of specific extra-thoracic features, a serologic domain consisting of specific autoantibodies, and a morphologic domain consisting of specific chest imaging, histopathologic or pulmonary physiologic features.
特别工作组提出了“自身免疫特征的间质性肺炎（interstitial pneumonia with autoimmune features，IPAF）”这个名称，并给出了分类标准，包括三个方面特征表现的组合：肺外的特别临床表现，特异性自身抗体的血清学表现，以及胸部CT 特征的形态学表现、组织病理学或肺生理特征。
A designation of IPAF should be used to identify individuals with IIP and features suggestive of, but not definitive for, a CTD. With IPAF, a sound platform has been provided from which to launch the requisite future research investigations of a more uniform cohort.
IPAF 应该用于识别IIP 个体伴有可能且尚不确定的CTD 特征。
使用IPAF，为进一步的统一队列研究提供了一个好的平台。
