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height: 288px;" /></p> <p style="text-align: center;"> 　　人体消化系统图解</p> <p> <strong>二、直肠恶变的症状</strong> <a href="javascript:void(0)" onclick="openZoosUrl('chatwin');"><span style="color:#ff0000;"><strong>>>>>>向专家咨询更多只肠恶变的情况</strong></span></a></p> <p> 早期直肠恶变的临床特征主要为便血和排便习惯改变，在癌肿局限于直肠粘膜时便血作为唯一的早期症状占85%，可惜往往未被病人所重视。</p> <p style="text-align: center;"> <img alt="" src="/uploads/allimg/131110/1-1311101F050U1.jpg" /></p> <p style="text-align: center;"> 　　直肠恶变恶化示意图</p> <p> 当时作肛指检查，多可触及肿块，中、晚期直肠恶变患者除一般常见的食欲不振、体重减轻、贫血等全身症状外，尚有排便次数增多，排便不尽、便意频繁、里急后重等癌肿局部刺激症状。</p> <p> 癌肿增大可致肠腔狭窄，出现肠梗阻征象。癌肿侵犯周围组织器官，可致排尿困难、尿频、尿痛等症状;侵及骶前神经丛，出现骶尾和腰部疼痛;转移至肝脏时，引起肝肿大，腹水、黄疸，甚至恶液质等表现。</p> <p> <strong>三、直肠恶变的原因</strong></p> <p> ①慢性炎症刺激：长期的慢性炎症可能是引起肛门直肠恶变的要素。如慢性细菌感染、阿米巴痢疾、慢性非特异性结肠炎、憩室炎、痔疮、肛瘘、肛裂、化脓性汗腺炎、毛囊炎等长期刺激肛门皮肤，也可引起恶变。</p> <p> ②良性肿瘤恶变：直肠家族性息肉病、直肠腺瘤、乳头状瘤等，在一定条件下，也可导致恶性病变。</p> <p> ③性病所致：不洁性交，使肛门部患了疑难杂症或乳头状纤维瘤，长期摩擦刺激，可引起恶变。</p> <p> ④饮食因素：高脂肪、高蛋白、低纤维素的饮食与直肠恶变发病有关。这是因为高脂肪食物可使胆汁分泌增多，促进肠道细菌生长，而胆醇、胆盐在厌氧菌作用下，形成不饱和胆固醇，如脱氧胆酸和石胆酸增加，这二种致癌物数量增加，促进直肠恶变发病。</p> <p> <strong>四、直肠恶变的危害</strong></p> <p> 直肠恶变最大的危害是威胁人的生命!直肠恶变在初起时症状一般有排便次数增多，有便不尽感，大便常常带有粘液和脓血。</p> <p> 直肠恶变的癌细胞转移迅速，最终会转移到肝脏，使肝脏衰竭，人形消瘦。所以，患者要在初期治疗直肠恶变，争取延长生命的时间。</p> <p> <strong>五、直肠恶变应尽早检查治疗<a href="javascript:void(0)" onclick="openZoosUrl('chatwin');"><span style="color:#ff0000;">>>>>>只肠恶变如何治?咨询在线专家</span></a></strong></p> <p> 医疗界流传一句话，癌症早治3天，可多活30年!便血是大肠癌早期的典型症状，患者发现便血，一定要及时就医检查治疗。家族里有肠癌的遗传史的，应该在40岁以后定期筛查。常吃高脂食物、久坐不动者，50岁后也该定期作肠镜筛查。</p> <p style="text-align: center;"> <img alt="" src="/uploads/allimg/131110/1-1311101F2015V.jpg" /><br /> </p> <p style="text-align: center;"> 　　肛泰专家为直肠恶变患者检查</p> <p style="text-align: center;"> <img alt="" src="/uploads/allimg/131110/1-1311101F23G04.jpg" style="width: 232px; height: 182px;" /></p> <p style="text-align: center;"> 　　直肠恶变镜检图片</p> <p> 对于直肠恶变的筛查，肛泰医院引进国际先进的日本无痛电子肠镜系统，可对肛肠内部深层病灶部位进行图像采集，实时诊断，病灶清楚，为临床治疗提供可靠依据。该系统适合便血、便痛、腹泻、大便干结、肛门肿胀和排便不尽等症状;对于杜绝肛肠疾病误诊、误治有着极为重要的意义。</p> <p> <strong>六、直肠恶变怎么预防</strong></p> <p> 直肠恶变的发生主要与高脂、低纤维饮食、不运动有关，这一饮食方式在白领中也尤为普遍。很多人对一、两天不排便并不在意，认为没什么大不了。但是大便秘结在肠子里，就变得愈益干结艰涩，日久损伤肠壁，导致毒素积聚、细胞病变，引发直肠恶变。</p> <p> 由此可见，我们就在饮食、运动这两方面来来预防，使其化险为夷。我们要认识到大自然赋予我们的一切，与个人的健康有多密切的联系。及早确诊，意义重大。</p> <p style="text-align: center;"> <a href="javascript:void(0)" onclick="openZoosUrl('chatwin');"><img alt="" src="/uploads/allimg/131110/1-1311101F302963.gif" style="width: 450px; height: 60px;" /></a></p> -r4"> <h4>看看大家都关注什么？</h4> <script type="text/javascript" src="/templets/moban/js/showhot.js"></script> <div class="clear"></div> </div> <div class="page"> <h3>浏览本页的患者还看了</h3> <div id="MarqueeDiv4"> <ul id="MarqueeDiv4Boxent"> <li><a href="/zt/nongzhong/"><img src="/templets/moban/images/zt-1.jpg" width="188" height="160" alt="" /></a></li> <li><a href="/zt/glzt/"><img src="/templets/moban/images/zt-2.jpg" width="188" height="160" alt="" /></a></li> <li><a href="/zt/dbcx/"><img src="/templets/moban/images/zt-4.jpg" width="188" height="160" alt="" /></a></li> </ul> </div> <div class="clear"></div> </div> <script type="text/javascript"> new Marquee(["MarqueeDiv4","MarqueeDiv4Boxent"],2,0.2,690,170,20,3000,3000) </script>  <input type="hidden" name="action" value="post" /> <input type="hidden" name="diyid" value="1" /> <input type="hidden" name="do" value="2" /> <div class="list1-r5"> <h4>在线预约医生号<span>（仅限<i>20个</i>名单）</span></h4> <dl class="list1-r5-dl1"> <dt>姓名：</dt> <dd><input class="list1-r5-dl1-text" name="name" type="text" /></dd> </dl> <dl class="list1-r5-dl1"> <dt>电话：</dt> <dd><input class="list1-r5-dl1-text" name="tel" type="text" /></dd> </dl> <dl class="list1-r5-dl2"> <dt>病情描述：</dt> <dd><textarea class="list1-r5-dl1-area" name="content" cols="" rows=""></textarea></dd> </dl> <input class="list1-r5-dl1-button" name="" type="submit" onClick="openZoosUrl('chatwin');" value="马上预约" /> </div>  </div> </div> <div class="clear"></div> </div>  {dede:include filename="footer.htm" /} </body> </html><div class="fast"> <dl class="fast-1"> <dt><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;"></a></dt> <dd><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;">咨询在线医生</a></dd> </dl> <dl class="fast-2"> <dt><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;"></a></dt> <dd><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;">快速预约通道</a></dd> </dl> <dl class="fast-3"> <dt><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;"></a></dt> <dd><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;">QQ在线咨询</a></dd> </dl> <dl class="fast-4"> <dt><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;"></a></dt> <dd><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;">免费电话咨询</a></dd> </dl> <dl class="fast-5"> <dt><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;"></a></dt> <dd><a href="javascript:void(0)"onclick="openZoosUrl('chatwin','&e=%25u54A8%25u8BE2');return false;">关注公益微信</a></dd> </dl> </div> <div class="footer"> <div class="footer_t">院址：大同市新开西2路新世纪南苑7号 <a href="/line/">【查看地图】</a><br /> 特别声明：大同肛泰肛肠医院本站内容仅供参考，不作为诊断及医疗依据。本站内容仅供参考，不作为诊断及医疗依据。<br /> Copyright@2000-2016 大同重点肛肠诊疗基地大同(中医)网</div> <div class="footer_c"> <dl> <dd class="ft-1"></dd> <dt>术前严检</dt> </dl> <dl> <dd class="ft-2"></dd> <dt>医生资质</dt> </dl> <dl> <dd class="ft-3"></dd> <dt>材料安全</dt> </dl> <dl> <dd class="ft-4"></dd> <dt>设备安全</dt> </dl> <dl> <dd class="ft-5"></dd> <dt>保肛护肛</dt> </dl> <dl> <dd class="ft-6"></dd> <dt>手术安全</dt> </dl> <dl> <dd class="ft-7"></dd> <dt>术后管理</dt> </dl> <dl> <dd class="ft-8"></dd> <dt>承诺保障</dt> </dl> </div> </div> <script type="text/javascript" src="/js/swt.js"></script> <script type="text/javascript"> var _bdhmProtocol = (("https:" == document.location.protocol) ? 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