鼻咽癌<img class="W_img_face" render="ext" src="//img.t.sinajs.cn/t4/appstyle/expression/ext/normal/86/2018new_hufen02_org.png" title="[互粉]" alt="[互粉]" type="face"><a target="_blank" render="ext" suda-uatrack="key=topic_click&amp;value=click_topic" class="a_topic" extra-data="type=topic" href="//s.weibo.com/weibo?q=%23%E6%9D%A8%E7%B4%AB%E9%BB%84%E6%A2%93%E7%91%95%23&amp;from=default">#杨紫黄梓瑕#</a>在头颈部的恶性肿瘤中,发病率占首位,并早期很易误诊。