有种便血叫痔疮，但还有一种便血叫直肠癌，怎么样区分？
<img src="https://mmbiz.qpic.cn/sz_mmbiz_png/D4lUspnE8ImZmwbIibLvU7WKTyricJnHPGghBzsmKoYtHfPHV1xwvpGib4BKxe5x4tib431SOFI9dMmynZmdmxU2kQ/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"><p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">痔疮和直肠癌</strong>，这两种<span style="color: black;">疾患</span>的某些症状看上去很<span style="color: black;">类似</span>，容易混淆。<strong style="color: blue;">其中最<span style="color: black;">平常</span>的症状——便血，<span style="color: black;">亦</span>是直肠癌和痔疮共有的症状。</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">有些</span>人得了直肠癌以为是痔疮，又<span style="color: black;">由于</span><span style="color: black;">检测</span>部位<span style="color: black;">敏锐</span>而忌讳<span style="color: black;">看病</span>，<span style="color: black;">引起</span><span style="color: black;">错失</span>了治疗直肠癌的黄金时期。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">那样</span>，该<span style="color: black;">怎样</span>区分痔疮和直肠癌呢？怎么样<span style="color: black;">才可</span>预防这两种<span style="color: black;">疾患</span>？</strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">痔疮是什么？</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">痔疮是老<span style="color: black;">大众</span>的俗<span style="color: black;">叫作</span>，在医学上痔疮又<span style="color: black;">叫作</span>为“痔”，是最<span style="color: black;">平常</span>的肛肠<span style="color: black;">疾患</span>。痔疮的病因尚未完全<span style="color: black;">知道</span>，<span style="color: black;">病人</span>易<span style="color: black;">显现</span>排便时<span style="color: black;">流血</span>、<span style="color: black;">病痛</span>、肛门瘙痒、肛门潮湿、痔赘（俗<span style="color: black;">叫作</span>“肉赘儿”）脱垂等症状。痔疮可分为内痔、外痔和混合痔。在任何年龄都可<span style="color: black;">出现</span>，好发于45～65岁人群。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">直肠癌是什么？</strong></p><img src="https://mmbiz.qpic.cn/sz_mmbiz_png/D4lUspnE8ImZmwbIibLvU7WKTyricJnHPGJjAcHQS1z9yyqX4SGYjUdGlcTGSB5X7fCFiawdvMk8bwmicasXWgPeMg/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">直肠癌<span style="color: black;">指的是</span>源于直肠黏膜上皮细胞的恶性肿瘤，是胃肠道<span style="color: black;">平常</span>的恶性肿瘤之一。<span style="color: black;">病人</span><span style="color: black;">初期</span><span style="color: black;">没</span><span style="color: black;">显著</span>症状，肿瘤<span style="color: black;">发展</span>到<span style="color: black;">必定</span>程度，会<span style="color: black;">显现</span>相应的症状，<span style="color: black;">包含</span>便意频繁，排便习惯改变，便前肛门有下坠感、里急后重、排便不尽感，下腹痛等。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">怎样</span>区分痔疮和直肠癌？</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">颜色<span style="color: black;">怎样</span>，<span style="color: black;">是不是</span>与大便混合？</strong></p><img src="https://mmbiz.qpic.cn/sz_mmbiz_png/D4lUspnE8ImZmwbIibLvU7WKTyricJnHPG3K6ZsZ8warvvAmkOXktVC5ziadTiaWLbIpP4eqpK83ibnaunN88CDKBsw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">痔疮<span style="color: black;">流血</span>的颜色大<span style="color: black;">大都是</span>鲜红色，且量大，<span style="color: black;">通常</span>呈喷射状或点滴而出。<span style="color: black;">流血</span>与大便不会混合，肉眼可见大便是大便、血是血。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">直肠癌的<span style="color: black;">流血</span>颜色呈暗红色，量少，血与大便相混合。大便可能呈现类似果酱状，并可能伴有胶冻粘液混杂。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">是不是</span>便秘，有<span style="color: black;">没</span><span style="color: black;">伴同</span>症状？</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">痔疮在某些<span style="color: black;">状况</span>下会诱发或加重，<span style="color: black;">例如</span><span style="color: black;">海量</span>饮酒、吃得太辣、久坐不动、久站，<span style="color: black;">或</span>排便时大便干燥等。<strong style="color: blue;">痔疮便血常<span style="color: black;">伴同</span>便秘症状，便秘后有<span style="color: black;">显著</span>的<span style="color: black;">流血</span>和肛门<span style="color: black;">病痛</span>。</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">直肠癌<span style="color: black;">初期</span><span style="color: black;">流血</span><span style="color: black;">一般</span><span style="color: black;">没</span>便秘，但很可能<span style="color: black;">伴同</span>腹泻的症状。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">是不是</span>有痛感？</strong></p><img src="https://mmbiz.qpic.cn/sz_mmbiz_png/D4lUspnE8ImZmwbIibLvU7WKTyricJnHPGG95Jsav1b5FIl87KGXsvEAYqPzt46RVIJDbaHovqaLWVlibGpzibicdQQ/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">痔疮便血，<span style="color: black;">通常</span>是间歇性的，可能伴有或不伴有<span style="color: black;">病痛</span>；炎性外痔、血栓外痔及<span style="color: black;">长时间</span>脱出于肛门的内痔常常伴有肛门<span style="color: black;">病痛</span>；血栓外痔<span style="color: black;">病痛</span>较为剧烈。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">直肠癌便血<span style="color: black;">一般</span>不伴有<span style="color: black;">病痛</span>，这<span style="color: black;">亦</span>是容易被忽略的部分。</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">近期大便习惯<span style="color: black;">是不是</span>改变</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">痔疮<span style="color: black;">病人</span>肠道刺激症状不<span style="color: black;">显著</span>，<span style="color: black;">平常</span>的是<span style="color: black;">显现</span>便秘、大便干结等<span style="color: black;">状况</span>，偶有<span style="color: black;">伴同</span>便血，<span style="color: black;">然则</span><span style="color: black;">无</span><span style="color: black;">显著</span>大便习惯的改变。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">直肠癌<span style="color: black;">病人</span><span style="color: black;">因为</span>中晚期肿瘤<span style="color: black;">引起</span>肠道刺激症状严重，经常有大便习惯的改变。一天<span style="color: black;">3、</span>四次<span style="color: black;">乃至</span><span style="color: black;">更加多</span>次，部分<span style="color: black;">病人</span>还伴有体重下降、消瘦等症状。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">怎样</span>筛查直肠癌？</strong></p><img src="https://mmbiz.qpic.cn/sz_mmbiz_png/D4lUspnE8ImZmwbIibLvU7WKTyricJnHPG6KniclGh3UsvnTicDbnicHapa9R0EcqcbvGO2ia1wibqicmbjpAGkfxkV82Q/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">最简单有效的<span style="color: black;">办法</span>——<strong style="color: blue;">肛门指检</strong>。</span>临床上，肛门指检可判断75%-80%的肠癌。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">健康的直肠是光滑、柔软的，不健康的直肠是隆起、僵硬、<span style="color: black;">流血</span>的。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">经过</span>肛门指检，就<span style="color: black;">能够</span><span style="color: black;">发掘</span>直肠的<span style="color: black;">反常</span>，<span style="color: black;">例如</span>痔疮、肛瘘、肛裂、直肠癌等肛门及肛周<span style="color: black;">关联</span><span style="color: black;">疾患</span>，以便采取相应的<span style="color: black;">干涉</span><span style="color: black;">办法</span>。</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">当然，肛门指检不是万能的，<span style="color: black;">想要</span>准确检出直肠癌，最<span style="color: black;">可靠</span>的<span style="color: black;">办法</span>是40岁以后，<span style="color: black;">定时</span>进行肠镜<span style="color: black;">检测</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">意见</span>以下高危人群<span style="color: black;">定时</span>筛查</strong></p><img src="https://mmbiz.qpic.cn/sz_mmbiz_png/D4lUspnE8ImZmwbIibLvU7WKTyricJnHPGmCxUebticGQCmuiaqtpRMMuicpO04FCRguZO3l2FA84US29QEianUmRAQw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">曾经得过大肠息肉</strong>的<span style="color: black;">病人</span>，<span style="color: black;">尤其</span>是腺瘤性息肉，<span style="color: black;">显现</span>肠道恶变的几率更高 </p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">重症溃疡性结肠炎<span style="color: black;">数年</span>不愈</strong>的人群，<span style="color: black;">必须</span><span style="color: black;">警觉</span>肠道恶变</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">做过胆囊切除手术10年以上的人群</strong>，<span style="color: black;">必须</span><span style="color: black;">警觉</span>肠道恶变</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">经常性摄入高蛋白、高脂<span style="color: black;">食品</span>，经常性吸烟、嗜酒的人群</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在家族中，<strong style="color: blue;">曾经有亲人患过“肠癌”的人群</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">接受过<strong style="color: blue;">下腹部放射治疗和不明<span style="color: black;">原由</span>反复便血</strong>的人群</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">大便习惯与大便性状改变</strong>（<span style="color: black;">包含</span>便血、大便隐血、便秘和腹泻交替等）</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">不明<span style="color: black;">原由</span>的<strong style="color: blue;">消瘦、贫血</strong>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">平常</span><span style="color: black;">怎样</span>预防痔疮和直肠癌？</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">运动</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">运动<span style="color: black;">能够</span>有效促进肠道正常活动，并且还<span style="color: black;">能够</span>促进身体血液循环。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">恰当</span><span style="color: black;">膳食</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">膳食</span>是<span style="color: black;">导致</span>消化道问题的<span style="color: black;">重点</span>病因。想要从<span style="color: black;">基本</span>上预防，<span style="color: black;">必要</span>调节<span style="color: black;">膳食</span>习惯，多吃清淡<span style="color: black;">食品</span>，少吃辛辣油腻<span style="color: black;">食品</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;">保持良好心情</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">消极</span><span style="color: black;">心情</span>的积压可能<span style="color: black;">引起</span>人体免疫力下降，<span style="color: black;">诱发</span><span style="color: black;">疾患</span>，<span style="color: black;">因此呢</span>保持心情舒畅很<span style="color: black;">要紧</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">举荐</span>阅读：</span></strong></p><a style="color: black;">少跑腿</a>、零等待，来这看病太方便了！<a style="color: black;">宫颈癌筛查：是查TCT还是HPV？各项指标<span style="color: black;">表率</span>什么？</a><a style="color: black;">换季感冒高发，<span style="color: black;">怎样</span><span style="color: black;">守护</span>你的肺？</a><a style="color: black;">欠啥别欠“免疫债”！简单“6+1”，帮你把免疫力补回来！</a><a style="color: black;">缺乏维生素，身体会<span style="color: black;">显现</span>这些信号，要<span style="color: black;">小心</span>！</a>
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