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为了解胸膜斑在煤工尘肺诊断中的意义，通过对２００例煤矿工人的尸检病例分析，在煤矿工人的尸检病例中发现了壁层胸膜斑，大体观察胸膜斑可分为扁平型和结节型，光镜下观察，典型的胸膜斑为玻璃样变性的粗大胶原纤维平行排列，交织成篮网状，结节型斑为胶原纤维成褶皱样排列。在胸膜斑的组织切片中同时发现了位于胶原纤维间的含铁小体。作者认为应对尘肺诊断标准的相应条款进行修订。
To understand the significance of pleural plaque in the diagnosis of coal worker’s pneumoconiosis, through the autopsy case analysis of 200 coal miners, the parietal pleural plaques were found in autopsy cases of coal miners. The general observation of pleural plaques can be divided into flat type and nodules Type, under light microscopy, the typical pleural plaques for the glassy degeneration of coarse collagen fibers arranged in parallel, interwoven into a network of nets, nodular plaque collagen fibers arranged in folds. Fermatosomes located between collagen fibers were also found in the pleural plaque tissue sections. The author believes that the corresponding provisions of pneumoconiosis diagnostic criteria should be revised.