NCIt definition : Benign vascular proliferations in the skin following external radiation. The lesions
present in adults, predominantly in elderly women following radiotherapy for breast
carcinoma. They consist of papules, small vesicles, or erythematous ecchymotic plaques
with prominent telangiectasias. Identical skin 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.;