We describe a 78-year-old Japanese patient with angiosarcoma on the scalp. Interestingly, immunohistochemical staining revealed this tumor as positive for matrix metalloproteinase 9 (MMP-9). After conventional therapy for angiosarcoma with surgical treatment and radiation therapy, we intravenously administered docetaxel at 40 mg/m 2 body surface area together with oral administration of 17.5 mg sodium risedronate hydrate. One and a half years after the standard treatment, there was no evidence of local recurrence or metastasis.
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