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Pneumoconiosis (Silicosis): A Roentgenological Study with Notes on Pathology.

Arch Intern Med (Chic). 1927;39(5):749-750. doi:10.1001/archinte.1927.00130050146016.
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This is an elaboration of an article dealing with the roentgenologic aspect of pneumoconiosis which was published by the authors in the Journal of Roentgenology and Radium Therapy in November, 1925. It is here presented in the form of a monograph and deals particularly with roentgen-ray studies of various types of the disease. There are chapters devoted to dusts, dusty occupations, disease and preventive measures. There are numerous reproductions of radiographs which are well chosen, are printed on good paper and have excellent explanatory legends. The authors classify the disease roentgenologically into three stages; the first stage is characterized by a definite increase in the prominence and extent of the shadows of the hilum of the central zone, a thickening of the trunk shadows of the mid zone and an increased prominence of the linear markings of the peripheral zone; the second stage is characterized by a typical mottling throughout


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