Abstract
<h3>The Roentgenologic Examination of Nerves, Lymphatics and Blood Vessels</h3> A demonstration of a new method of roentgenologic diagnosis with the aid of contrast mediums was given here at a recent session of the Gesellschaft der Aerzte, by Dr. M. Saito of Japan. To render peripheral nerves visible, Dr. Saito injected at first iodized poppy-seed oil and later a 25 per cent solution of thorium dioxide applied percutaneously, perineurally or intraneurally. He used, at the most, 1 cc. intraneurally or 20 cc. perineurally. If the nerve to be reached lies in the deeper tissues, it must first be laid bare operatively. After from three to eight days the roentgenogram can be made. In the roentgenograms exhibited by Dr. Saito, one saw a normal nerve (injected intraneurally) whose various bundles of fibers, 20 cc. in length, were plainly visible; then a perineural injection, in which the external and the internal layers were
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