...In certain areas of China, esophageal cancer, nasopharyngeal cancer, and liver cancer are particularly common. It has been suggested that esophageal cancer is caused by foods high in nitrosamines, nasopharyngeal cancer by the spread of EB virus, and liver cancer by chronic infection with hepatitis B virus. Liver cancer is also common in Southeast Asia and Africa, but in these cases, food contamination by aflatoxins is considered important as well as hepatitis viruses. *Some of the terminology that refers to "EB virus" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…中国のある地方では,食道癌,上咽頭癌,肝臓癌が際立って多い。食道癌はニトロサミンの多い食物,上咽頭癌はEBウイルスの蔓延(まんえん),肝臓癌はB型肝炎ウイルスの慢性感染等が原因と指摘されている。肝臓癌は東南アジアやアフリカにも多いが,この場合は,肝炎ウイルスとともにアフラトキシンによる食物の汚染も重要視されている。… ※「EB ウイルス」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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