结肠癌初期症状有哪些?必要做哪些检测?
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">冯强，协和医科大学肿瘤外科博士，医科院肿瘤医院结直肠外科<span style="color: black;">专家</span>医师，硕士<span style="color: black;">科研</span>生导师。<span style="color: black;">善于</span>以腹腔镜微创手术治疗各类消化道恶性肿瘤，临床经验丰富，手术技法<span style="color: black;">精细</span>独特，尤其对直肠癌低位保肛、保全生理功能手术、结肠癌淋巴结清扫术后降低<span style="color: black;">病人</span>复发转移率，<span style="color: black;">加强</span><span style="color: black;">存活</span>质量等方面有深入<span style="color: black;">科研</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结肠癌(colon cancer) 是胃肠道中<span style="color: black;">平常</span>的恶性肿瘤，我国以41-65岁人群发病率高。<span style="color: black;">想要</span>及早<span style="color: black;">发掘</span>结肠癌，<span style="color: black;">咱们</span><span style="color: black;">首要</span><span style="color: black;">必要</span>先<span style="color: black;">晓得</span>结肠癌的症状有<span style="color: black;">那些</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结肠癌的<span style="color: black;">初期</span>症状：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1、腹痛：右半结肠癌<span style="color: black;">病人</span>十个中有七八个会有腹痛，多为隐痛，当并发肠梗阻时，<span style="color: black;">也</span>可表现为腹部绞痛。<span style="color: black;">倘若</span><span style="color: black;">病人</span>在<span style="color: black;">平常</span>生活中<span style="color: black;">显现</span><span style="color: black;">连续</span>性腹部不适、隐痛、腹胀，经<span style="color: black;">通常</span>的治疗后症状不缓解，那要<span style="color: black;">警觉</span>结肠癌的可能性。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2、排便改变：有的<span style="color: black;">病人</span>表现为<span style="color: black;">初期</span>粪便稀薄，有脓血，排便次数<span style="color: black;">增加</span>，当结肠癌的癌肿继续增大影响到粪便的<span style="color: black;">经过</span>时还可<span style="color: black;">显现</span>交替<span style="color: black;">显现</span>的腹泻与便秘，而有的<span style="color: black;">病人</span>则多表现为排便困难，并随结肠癌的病情发展而<span style="color: black;">持续</span>加重。<span style="color: black;">倘若</span><span style="color: black;">病人</span>有粪便带脓血、黏液或血便的<span style="color: black;">状况</span>，但之前<span style="color: black;">无</span>患痢疾、溃疡性结肠炎等病史，<span style="color: black;">一样</span>要高度<span style="color: black;">警觉</span>结肠癌的可能性。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">3、腹部包块：为瘤体或与网膜、<span style="color: black;">周边</span>组织浸润的肿块，质硬，形体不规则，有的可随肠管有<span style="color: black;">必定</span>的活动度，晚期时肿瘤浸润严重，肿块可固定。结肠癌的专科体检<span style="color: black;">能够</span>在腹部扪及肿块。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4、肠梗阻表现：如腹胀，腹痛，便秘或便闭。结肠肿瘤的<span style="color: black;">平常</span>症状是体检可见腹隆、肠型、局部有压痛，并可闻及亢进的肠鸣音。左半结肠肠腔相对狭小，粪便至此已粘稠成形，且该部多为侵润型癌，肠腔环状狭窄，<span style="color: black;">因此呢</span>较早<span style="color: black;">显现</span>肠梗阻症状。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">5、全身症状：<span style="color: black;">因为</span>结肠癌的肿瘤溃烂失血和毒素吸收，常可<span style="color: black;">引起</span>结肠癌<span style="color: black;">病人</span><span style="color: black;">显现</span>贫血、低热、乏力、消瘦、浮肿等症状，其中尤以贫血、消瘦为著。右半结肠血运及淋巴丰富，吸收能力强，癌肿多为软癌，易溃烂、坏死致<span style="color: black;">流血</span>感染，<span style="color: black;">因此呢</span>以中毒症状为主。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">以上<span style="color: black;">咱们</span><span style="color: black;">说到</span>的这些症状，都是结肠癌的信号，身体<span style="color: black;">显现</span>这些症状就得<span style="color: black;">警觉</span>，要到医院<span style="color: black;">检测</span>排除患结肠癌的可能，<span style="color: black;">那样</span>医院做<span style="color: black;">那些</span><span style="color: black;">检测</span><span style="color: black;">才可</span>排除结肠癌呢？</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://pic2.zhimg.com/80/v2-9620bbc6b1be021904274cb392da8ee1_720w.webp" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结肠癌<span style="color: black;">检测</span><span style="color: black;">办法</span>有<span style="color: black;">那些</span>?</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结肠癌在我国<span style="color: black;">已然</span><span style="color: black;">作为</span>一个高发肿瘤，严重威胁国人的健康。据今年2月国家癌症中心的数据，<span style="color: black;">没</span>论男女，都位列肿瘤发病率前四名。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结肠癌约90%是肠息肉演化而来，它从腺瘤性息肉演变为癌变，<span style="color: black;">通常</span><span style="color: black;">必须</span>5～10年的时间，因而，在息肉<span style="color: black;">周期</span><span style="color: black;">发掘</span>并切除，是预防肠癌的有效途径，而<span style="color: black;">发掘</span>肠息肉最好的<span style="color: black;">检测</span>，<span style="color: black;">便是</span>肠镜<span style="color: black;">检测</span>。<span style="color: black;">因此</span>，到消化科看病，<span style="color: black;">大夫</span><span style="color: black;">常常</span>会<span style="color: black;">意见</span>你做一次肠镜<span style="color: black;">检测</span>。尤其是40岁以上人群及有肠道症状者。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">结肠镜是结肠癌的首选<span style="color: black;">检测</span>。乙状结肠镜可见距肛缘25cm以内的病变，六七成的结肠可在乙状结肠镜观察的范围以内，纤维结肠镜长度在120～180cm，<span style="color: black;">能够</span>观察全结肠。<span style="color: black;">经过</span>结肠镜，可<span style="color: black;">发掘</span>病灶的部位、范围、<span style="color: black;">体积</span>与初步估计病情的严重程度，<span style="color: black;">同期</span>可作活检，<span style="color: black;">知道</span>诊断。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://pic1.zhimg.com/80/v2-d0c4806c95c6711ab3a1e8baac4b2e6c_720w.webp" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">除结肠镜外，确诊</p>
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