Keloids or hypertrophied scars are difficult to treat and require much patience on the part of both patient and physician. So far as is known, the roentgen ray and radium are the only two agents which will arrest the disease or cause it to disappear. If these agents are used early when the scar begins to hypertrophy there will probably be no need of combining excision with the radiotherapeutic effect. It is because of the frequent neglect of hypertrophied or growing scars that it is necessary to call attention to these methods of treatment. If the general practitioner, the surgeon and the dermatologist are alert and apply skilfully the roentgen rays and radium to scars that are beginning to show hypertrophy, keloids will almost be eliminated from the field of medicine. It is true that in many instances slight wounds, especially in the colored race, lead to the formation of