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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　專??(zhuan)家?(jia)介??(jie)紹?(shao)??，直??(zhi)系??(xi)親??(qin)屬??(shu)中??(zhong)患??(huan)乳??(ru)腺??(xian)癌??(ai)的??(de)人??(ren)數(shù)??(shu)越??(yue)多??(duo)??，患??(huan)病??(bing)風(fēng)??(feng)險??(xian)相??(xiang)應(yīng)??(ying)越??(yue)大??(da)??。??如??(ru)有??(you)一??(yi)位??(wei)直??(zhi)系??(xi)親??(qin)屬?(shu)患??(huan)乳??(ru)腺??(xian)癌?(ai)??，則??(ze)患??(huan)病??(bing)的??(de)危??(wei)險??(xian)性??(xing)增??(zeng)加??(jia)1.5—3倍??(bei)；如??(ru)有??(you)兩??(liang)位??(wei)直??(zhi)系??(xi)親??(qin)屬??(shu)患??(huan)乳??(ru)腺??(xian)癌??(ai)??，則??(ze)患??(huan)病??(bing)率??(lv)將??(jiang)增?(zeng)加??(jia)7倍??(bei)；具?(ju)有??(you)遺??(yi)傳??(chuan)性??(xing)乳??(ru)癌??(ai)基??(ji)因?(yin)檢??(jian)測??(ce)為??(wei)BRCA1、BRCA2基??(ji)因??(yin)突??(tu)變??(bian)的??(de)患??(huan)者??(zhe)??，患??(huan)乳??(ru)腺??(xian)癌??(ai)、卵??(luan)巢??(chao)癌??(ai)和??(he)其??(qi)他??(ta)惡??(e)性??(xing)腫??(zhong)瘤?(liu)的??(de)風(fēng)??(feng)險??(xian)增??(zeng)加??(jia)??，對??(dui)于??(yu)BRCA1突??(tu)變??(bian)攜??(xie)帶??(dai)者??(zhe)??，≤70歲??(sui)時??(shi)乳??(ru)腺??(xian)癌??(ai)累??(lei)積??(ji)風(fēng)??(feng)險??(xian)為??(wei)55%—70%??，BRCA2突??(tu)變??(bian)攜?(xie)帶?(dai)者??(zhe)的??(de)相??(xiang)應(yīng)??(ying)累??(lei)積??(ji)風(fēng)??(feng)險??(xian)為?(wei)45%—70%；盡??(jin)管??(guan)上??(shang)述??(shu)數(shù)??(shu)據(jù)?(ju)表??(biao)明??(ming)有??(you)乳??(ru)腺??(xian)癌??(ai)家??(jia)族??(zu)史?(shi)的??(de)女??(nv)性??(xing)患??(huan)乳??(ru)腺??(xian)癌??(ai)概?(gai)率??(lv)成??(cheng)倍??(bei)增??(zeng)加??(jia)??，但??(dan)臨??(lin)床??(chuang)上??(shang)有??(you)乳??(ru)腺??(xian)癌??(ai)家??(jia)族??(zu)史??(shi)的??(de)并??(bing)不??(bu)一??(yi)定??(ding)患??(huan)乳??(ru)腺??(xian)癌??(ai)??。據(jù)??(ju)相??(xiang)關(guān)??(guan)統(tǒng)??(tong)計??(ji)??，僅??(jin)15%—20%的??(de)乳??(ru)腺?(xian)癌??(ai)女??(nv)性??(xing)患?(huan)者??(zhe)有?(you)家??(jia)族?(zu)史?(shi)??。

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