NCIt definition : Benign vascular proliferations following external radiation. The lesions present in
adults, predominantly in elderly women following radiotherapy for breast carcinoma.
They arise from the radiated skin and are papules, small vesicles, or erythematous
ecchymotic plaques with prominent telangiectasias. Identical lesions can occur after
radiation for cervical carcinoma, endometrial carcinoma, ovarian carcinoma, Hodgkin
lymphoma, and melanoma. There is an increased risk for subsequent development of angiosarcoma.;