[en] Radiation therapy following excision for keloids has been shown to decrease the recurrence race by about 50%. The authors followed up 75 patients with 113 keloids for a mean time of 9.75 years. Seventy-four percent of the lesions involved the earlobe. The overall control rate was 73% with use of low-dose superficial x-ray therapy. There was no advantage to starting radiation within 1 day of surgery. Keloids larger than 2 cm, those that had been treated previously, and those occurring in men were found to indicate a high likelihood of recurrence. The mean time to recurrence was 12.8 months. There were no complications