Abstract
The intratumoral application of buried capillary glass tubes containing radium emanation presents a comparatively new departure in radium therapy. The method was originally suggested by Duane, and subsequently developed by the late H. H. Janeway. The results to date are so gratifying that, in my opinion, the method will play a prominent part in the future development of the whole field of radiotherapeutics. TECHNIC Radium emanation—an elementary body in the state of a heavy gas—is the first active product of decomposition of radium. It is collected by means of appropriate apparatus in capillary glass tubes from 3 to 5 mm. long. The tubes, containing between 0.3 and 1.5 millicuries of radium emanation each, are sterilized either by boiling or by immersion in an alcoholic solution of iodin, and are inserted by the aid of a trocar into the tumor tissue. These tubes exert a comparatively weak but continuous action on
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