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photo-7 Article: " 'Black Spots' and Hyaline Pleural Plaques on the Parietal Pleura of 150 Urban Necropsy Cases"

Summary: It has been suggested that specific areas of the parietal pleura absorb and retain inorganic particles from the pleural space, including asbestos fibers. The areas where they accumulate, referred to as black spots, are believed to be the starting point for pathologic changes induced by these mineral fibers. The researchers examined 150 consecutive necropsies of urban dwellers in an attempt to study the distribution of these so-called black spots, and their possible relationship with pleural plaques. Black spots were …