This is an elaborate presentation of the subject of body section roentgenography as applied to the upper air passages. After a chapter setting forth in adequate detail with text and geometric drawings the theory of laminagraphy, also sometimes called planigraphy or tomography, the author proceeds to the discussion of technic as applied to the lungs, the findings in the normal lung, bronchial diseases, nonspecific inflammatory diseases of the lung, lung abscess, differential diagnosis of lung abscess and empyema, foreign bodies, and a long chapter of more than forty pages on lung tumors and bronchial obstructions. Tuberculosis and pneumoconiosis are assigned about seventy-five pages. The remainder of the book is devoted to the trachea and to the larynx.
The illustrations are especially numerous and serve admirably to illustrate the author's contention that there are many lesions of the lung in which tomographic demonstration is much more convincing than the single film