本文先后对甲、乙两县滑石作业工人进行了胸膜斑检查。根据滑石矿矿物的成分证实,接触不含透闪石石棉成分的滑石未检出滑石胸膜斑,而对接触者摄胸部X线检查187名,发现胸膜斑16例,检出率为8.5%。其发病机制与石棉斑类似,故对其诊断意义提出了初步看法。 This article has on the A and B counties talc workers carried out pleural plaque examination. According to the composition of the talc minerals, contact with talc in contact with non-tremolite asparagus component did not detect talc pleural plaque, while in contact with chest X-ray examination of 187 patients, pleural plaques found in 16 cases, the detection rate was 8.5%. Its pathogenesis is similar to that of asbestos, so a preliminary view of its diagnostic significance is proposed.