男性究竟该不该做前列腺癌筛查
<p><span word="Fewer">Fewer</span> <span word="men">men</span> <span word="are">are</span> <span word="being">being</span> <span word="screened">screened</span> <span word="for">for</span> <span word="prostate">prostate</span> <span word="cancer">cancer</span>, <span word="and">and</span> <span word="fewer">fewer</span> <span word="early">early</span>-<span word="stage">stage</span> <span word="cases">cases</span> <span word="are">are</span> <span word="being">being</span> <span word="detected">detected</span>, <span word="according">according</span> <span word="to">to</span> <span word="two">two</span> <span word="studies">studies</span> <span word="published">published</span> <span word="Tuesday">Tuesday</span> <span word="in">in</span> <span word="The">The</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="the">the</span> <span word="American">American</span> <span word="Medical">Medical</span> <span word="Association">Association</span>.</p><p>11月17日发表在《美国医学协会杂志》(<span word="Journal">Journal</span> <span word="of">of</span> <span word="the">the</span> <span word="American">American</span> <span word="Medical">Medical</span> <span word="Association">Association</span>)上的两项研究指出，接受前列腺癌筛查的人数有所减少，早期病例的检出量也在减少。</p><p><span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="cases">cases</span> <span word="has">has</span> <span word="dropped">dropped</span> <span word="not">not</span> <span word="because">because</span> <span word="the">the</span> <span word="disease">disease</span> <span word="is">is</span> <span word="becoming">becoming</span> <span word="less">less</span> <span word="common">common</span> <span word="but">but</span> <span word="because">because</span> <span word="there">there</span> <span word="is">is</span> <span word="less">less</span> <span word="effort">effort</span> <span word="to">to</span> <span word="find">find</span> <span word="it">it</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="said">said</span>.</p><p>研究人员称，病例数减少并非是因为患病率正在下降，而是因为人们不像以往那么注意去检测这种疾病了。</p><p><span word="The">The</span> <span word="declines">declines</span> <span word="in">in</span> <span word="both">both</span> <span word="screening">screening</span> <span word="and">and</span> <span word="incidence">incidence</span> “<span word="could">could</span> <span word="have">have</span> <span word="significant">significant</span> <span word="public">public</span> <span word="health">health</span> <span word="implications">implications</span>,” <span word="the">the</span> <span word="authors">authors</span> <span word="of">of</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="studies">studies</span> <span word="wrote">wrote</span>, <span word="but">but</span> <span word="they">they</span> <span word="added">added</span> <span word="that">that</span> <span word="it">it</span> <span word="was">was</span> <span word="too">too</span> <span word="soon">soon</span> <span word="to">to</span> <span word="tell">tell</span> <span word="whether">whether</span> <span word="the">the</span> <span word="changes">changes</span> <span word="would">would</span> <span word="affect">affect</span> <span word="death">death</span> <span word="rates">rates</span> <span word="from">from</span> <span word="the">the</span> <span word="disease">disease</span>.</p><p>其中一项研究的作者们写道，筛查和发病率的下降“可能具有重大的公共卫生意义”，但他们也补充说，要断言这一变化是否会影响该疾病的死亡率还为时过早。</p><p><span word="About">About</span> 220,800 <span word="new">new</span> <span word="cases">cases</span> <span word="of">of</span> <span word="prostate">prostate</span> <span word="cancer">cancer</span> <span word="are">are</span> <span word="expected">expected</span> <span word="in">in</span> 2017, <span word="along">along</span> <span word="with">with</span> 27,540 <span word="deaths">deaths</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="American">American</span> <span word="Cancer">Cancer</span> <span word="Society">Society</span>.</p><p>美国癌症协会(<span word="American">American</span> <span word="Cancer">Cancer</span> <span word="Society">Society</span>)预计，2017年新发前列腺癌病例可达220800例，病死27540例。</p>
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