title: Postirradiation malignant transformation in benign haemangioma.
abstract: A malignant angiosarcoma developed at the site of a benign cavernous haemangioma 33 years after the lesion was treated with radiotherapy. The possible mechanisms for this association are discussed.
authors: Beatson Oncology Centre, Glasgow, Scotland, UK.
authors: S A
authors: SA
authors: Costello
authors: M
authors: M
authors: Seywright
mesh_terms: D002471:Cell Transformation, Neoplastic / Q000528:radiation effects*; D002675:Child, Preschool; D005260:Female; D006391:Hemangioma / Q000532:radiotherapy*; D006394:Hemangiosarcoma / Q000209:etiology*; D006801:Humans; D007717:Knee; D008207:Lymphatic Metastasis; D009364:Neoplasm Recurrence, Local; D009381:Neoplasms, Radiation-Induced; D013997:Time Factors