Frequency of black pigment in livers and spleens of coal workers: correlation with pulmonary pathology and occupational information.

@article{Lefevre1982FrequencyOB,
  title={Frequency of black pigment in livers and spleens of coal workers: correlation with pulmonary pathology and occupational information.},
  author={M E Lefevre and Francis H Y Green and Darrel D. Joel and Walter Laqueur},
  journal={Human pathology},
  year={1982},
  volume={13 12},
  pages={1121-6}
}
Histologic sections of liver and spleen from 99 retired coal workers and nine non-coal workers were obtained at autopsy and scored for black pigment. Pigment was minimal in the non-coal workers, with the exception of one person with silicosis. Moderate or heavy pigment was seen in 10.4 per cent of liver sections and 19.5 per cent of spleen sections from coal workers. The extrapulmonary pigment was not associated with any pathologic tissue response. Information on pulmonary pathology and… CONTINUE READING