尘肺是我国主要职业病,尘肺病的诊断是政策性很强的工作,涉及国家、企业和劳动者的权益和责任。我国自2002年6月1日实施《中华人民共和国尘肺病诊断标准GB70-2002》[1](以下简称《标准》),《标准》要求使用高千伏X射线胸片作为影像诊断的依据。一张优质高千伏胸片是诊断尘肺病 Pneumoconiosis is a major occupational disease in our country. The diagnosis of pneumoconiosis is a very policy-oriented work involving the rights and responsibilities of countries, enterprises and laborers. Since June 1, 2002, China has implemented the “Diagnostic Criteria for Pneumoconiosis of the People’s Republic of China GB70-2002” (hereinafter referred to as the “Standard”), which requires the use of high-kV X-ray chest radiographs as the basis for image diagnosis. A good high-kV chest radiograph is a diagnosis of pneumoconiosis