煤肺色素通常不存在纤维化，但炭尘量很大(就如煤矿工人的 “黑肺病”)，纤维增生反应能诱发煤矿工人肺尘埃沉着症。
Anthracotic pigment ordinarily is not fibrogenic, but in massive amounts (as in "black lung disease" in coal miners) a fibrogenic response can be elicited to produce the "coal worker's pneumoconiosis" seen here.
