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.
MeSH terms
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Cell Transformation, Neoplastic / radiation effects*
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Child, Preschool
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Female
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Hemangioma / radiotherapy*
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Hemangiosarcoma / etiology*
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Humans
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Knee*
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Lymphatic Metastasis
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Neoplasm Recurrence, Local
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Neoplasms, Radiation-Induced*
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Time Factors