| 单词 | hemangiosarcoma |
| 释义 | hemangiosarcomahemangiosarcomahemangiosarcoma[hē¦mān·jē·ō·sär′kō·mə]hemangiosarcomahe·man·gi·o·sar·co·ma(hē-man'jē-ō-sar-kō'mă),angiosarcomaAn uncommon, aggressive mesenchymal malignancy, arising in the skin, liver, breast, soft tissues and viscera, primarily affecting the elderly; male:female, 2:1.Aetiology Most are idiopathic; some are linked to chronic lymphoedema (as occurs following axillary dissection for breast CA), others to radiation therapy; hepatic angiosarcoma is classically linked exposure to thorium dioxide (a long obsolete contrast medium), and is also associated with arsenic and vinyl chloride.Prognosis Poor, 10–20% 5-year survival. he·man·gi·o·sar·co·ma(hē-man'jē-ō-sahr-kō'mă)Synonym(s): haemangiosarcoma. |
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