This study of 111 cases of radiodermatitis following the application of either x-rays or radium is based on patients seen in private practice. The cases are consecutive but include only those in which the total dosage can be estimated either absolutely or with a very fair degree of accuracy. Cases occurring as the result of high voltage therapy for malignant diseases of the breast, thorax or abdomen are not included, nor are instances in which a few telangiectases have appeared in a limited area following the treatment of skin cancer; nor is reference made to fibrosis of the lungs, or intestinal injury as the result of intensive irradiation.
Of these 111 cases, 40 occurred in men and 71 in women. Three resulted from the taking of roentgenograms; thirteen from high voltage therapy; seven
occurred in roentgenologists; thirteen were from treatments received in beauty shops, and the remainder, or seventy-five, from