. The American journal of roentgenology, radium therapy and nuclear medicine . Pi sti. 2. I carcinoma on the face before treatment, alter electro-coagulation and end excess tissue was burned down to the skin level and the base thoroughly heated; this was followedby a massive roentgen-ray treatment. in the tissues. At least 50 ma. minutes of attacking these cancerous growths involv- unfiltered rays are used over an area a ing the skin. little larger than the ulcer. At the June, 1921, meeting of the Ameri- Any of the cancerous tissue which is can Medical Association in Bos


. The American journal of roentgenology, radium therapy and nuclear medicine . Pi sti. 2. I carcinoma on the face before treatment, alter electro-coagulation and end excess tissue was burned down to the skin level and the base thoroughly heated; this was followedby a massive roentgen-ray treatment. in the tissues. At least 50 ma. minutes of attacking these cancerous growths involv- unfiltered rays are used over an area a ing the skin. little larger than the ulcer. At the June, 1921, meeting of the Ameri- Any of the cancerous tissue which is can Medical Association in Boston, the covered by normal epithelium, is exposed American Radium Society was the guest Superficial Malignancies 257 of the Harvard Cancer Research Commis-sion at the Huntington Memorial interesting things were discussedb\ members of the commission, but one upon cancer cells. He said that a certaindose of roentgen raj would only sickenthe cancer cell and that heat would dothe same thing. He then said that if the. Plate 3. Cancer of the lip which had undermined the normal rhe under- mined portion was exposed by electro-coagulation,with the above end result. as shown in the middle picture. One x-ray treatment


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