The value of Roentgen rays in the domain of dermatology has been thoroughly tested and cordially approved. Its place in medicine, as a therapeutic agent, is now established on a sound and rational basis. I have, therefore, attempted to prepare a brief paper on "Roentgen Ray Technic in Dermatology," because the technic, or, if you wish, the art, the skill of application, is the one great prime essential demanded of every operator, if he would attain the very best possible results. So diametrically opposed are the announcements made relative to the value, the uses and the results attained by the Roentgen rays in cutaneous affections, that an explanation for these varying opinions must be sought in the differences in technic employed by the great army of x-ray therapists the world over.
Needless to say, the Roentgenologist must be an adept at his work. The hand of the tyro holds