直肠癌的早期症状有哪些?
直肠癌是现在生活中,比较常见的一种恶性肿瘤,对患者的身体伤害性是不言而喻的,但更关键的是,直肠癌这种疾病早期的症状表现一般都不明显,很容易被患者忽视,从而错过最佳的时间。下面就直肠癌的早期症状进行介绍:
1、便血是直肠癌最常见的症状,但常被患者所忽视或被误诊为痔疮而延误治疗,使病情加重。便血多为红色或暗红色,混有粪便之粘液血便,或脓血便,有时伴有血块,坏死组织。上述症状是由于癌肿增殖后血运引起障碍,组织坏死糜烂,溃破感染,溃疡形成的后果。
2、大便习惯改变由于肿块及其产生之分泌物,可产生肠道刺激症状,便意频繁,排便不昼感,里急后重等症状,但排出物多是粘液脓血状物,最初这些“假性腹泻”现象多发生在清晨起床不久,称晨起腹泻(morningdiarrhea)。以后次数逐渐增多,甚至晚间不能入睡,改变了往日大便习惯。
3、肠道狭窄及梗阻现象癌肿绕肠壁周径浸润,使肠腔狭窄,尤在直肠乙结肠交界处,多为狭窄型硬癌,极易引起梗阻现象。直肠壶腹部癌,因多是溃疡型,直甩壶腹部较宽广,估计约1~2年左右才引起狭窄梗阻,大便形成变细,排便困难,便秘,引起腹部不适,气胀及疼痛。由于粪便堆积,在梗阻上段乙结肠部位,有时在左下腹部,可扪及条索状肿块。
4、肛门疼痛及肛门失禁直肠下段癌如浸润肛管部可引起局部疼痛,如累及肛管括约肌则可引起肛门失禁,脓血便常常流出,污染内裤;癌肿感染或转移,可引起腹股沟部淋巴结增大。
5、其他直肠癌晚期如浸润其他脏器及组织,可引起该处病变症状,侵犯骶神经丛可使骶部及会阴部疼痛,类似坐骨神经部疼痛;侵犯膀胱、前列腺,可引起膀胱炎、尿道炎、膀胱直肠瘘、尿道直肠瘘,女性可引起阴道直肠瘘,阴道部排出粪便及粘液脓血。肝转移后可引起肝肿大、黄疸,腹水等症状,全身症状可有贫血等恶液质现象有时还可出现急性肠梗阻、下消化道大出血及穿孔后引起弥漫性腹膜炎等症状。
虽说直肠癌疾病的症状表现会随着病情的发展,而变得逐渐明显,但其实,直肠癌在进展期的话,很难做到彻底治愈,从而危及到患者的生命,建议对直肠癌这种疾病能有所了解,从而做到针对性的预防。
![付红兵头像](https://image.healthjd.com/da/s100x100_jfs/t1/101106/15/40444/42444/64589b8cF3d0fdc6a/e6fa786e54a0f0be.jpg)
![谢琦头像](https://image.healthjd.com/da/s100x100_jfs/t1/110420/37/45332/14441/65bb4ae7Fa9722bca/0e1876a69639bee2.jpg)
![胡琼源头像](https://image.healthjd.com/da/s100x100_jfs/t1/146400/1/40922/17558/65bb4f53Fba732478/64beaf9228eb0a0b.jpg)
![王一飞头像](https://image.healthjd.com/da/s100x100_jfs/t1/200980/33/29258/41476/63a70941Ef16ae05f/fefa053944b4e437.jpg)
![刘念头像](https://image.healthjd.com/da/s100x100_jfs/t1/229566/26/13111/15515/65bb4f57Fbbadaa8e/104304ff8f90ee79.jpg)
![](https://storage.360buyimg.com/jdhhealth-public/laputa/ecf107fd-0a2f-4dfb-8681-590f62deed9a.png)
![大肠癌的4大早期症状!你知道吗?](http://image.healthjd.com/da/jfs/t1/181876/40/6336/9940/60b0dd83E7d680aa2/06848e9879008465.jpg)
大肠癌的4大早期症状!你知道吗?
![韦老师聊健康](http://image.healthjd.com/da/jfs/t1/138046/9/11885/298336/5f924643Eb98af3c8/0bc6c8b314e95840.jpg)
![胆囊癌早期有什么常见症状?](http://image.healthjd.com/da/jfs/t1/157268/1/512/17891/5feb20d6Ecf2f36d7/4f891a448f1e39cd.jpg)
胆囊癌早期有什么常见症状?
![肿瘤疾病知识](http://image.healthjd.com/da/jfs/t1/148640/27/18364/7880/5fd81cd7Ea041dd07/1f17f0f3e9038129.jpg)
![肝癌早期会有哪些症状?](http://image.healthjd.com/da/jfs/t1/138191/11/8742/22524/5f673480Eda35bf99/10b2d7277f71bfb7.jpg)
肝癌早期会有哪些症状?
![杨小燕](http://image.healthjd.com/da/jfs/t1/23649/18/17542/92739/62b94b96E6cf71009/9788fa0e461d1f27.jpg)
![原发性肝癌有哪些症状?](http://image.healthjd.com/da/jfs/t1/192859/10/9189/10064/60ceae98E58c68fe9/34edfa94c4bc5d09.jpg)
原发性肝癌有哪些症状?
![肝病知识](http://image.healthjd.com/da/jfs/t1/149433/7/16862/38125/5fc9fd33Eb59d8237/19808d1809f9e977.jpg)
![癌症的早期症状表现有哪些?](http://image.healthjd.com/da/jfs/t1/147151/23/19554/60210/5fe16d3dE5957fc65/78a56a847fd9c778.jpg)
癌症的早期症状表现有哪些?
![外科苗主任](http://image.healthjd.com/da/jfs/t1/135572/1/20439/18192/5fdc0f5eE8dd00db1/aef2b529ac82a995.jpg)
![早期胃癌有哪些征兆?](http://image.healthjd.com/da/jfs/t1/121208/39/3294/202846/5ed0b168E2e74c098/dc4b6de414993cb2.jpg)
早期胃癌有哪些征兆?
![京东互联网医院](http://image.healthjd.com/da/jfs/t1/126469/29/10799/11432/5f45c26eE9a95c89e/3a4f9fc379ffd61d.jpg)
![大肠癌有什么初期症状?](http://image.healthjd.com/da/jfs/t1/175852/8/14411/20243/60c61553E5047cf53/5fa83710aa405473.jpg)
大肠癌有什么初期症状?
![放疗科欧主任](http://image.healthjd.com/da/jfs/t1/144059/38/18262/53539/5fd709a7E6735f1a4/cdba9c93aeae5fda.jpg)
![胃癌的一般症状有哪些?](http://image.healthjd.com/da/jfs/t1/141983/7/24638/7227/61c9969eEb7dbc3b4/1f1dde46dffbd101.jpg)
胃癌的一般症状有哪些?
![健康一点通](http://image.healthjd.com/da/jfs/t1/156848/38/21933/85831/61711aa7E232dfe82/74df321f348d2ede.jpg)
![直肠癌中晚期的症状是怎样的呢](http://image.healthjd.com/da/jfs/t1/120413/31/20409/22175/61c96a27E770f179c/bd160155200b88ab.jpg)
直肠癌中晚期的症状是怎样的呢
![健康一点通](http://image.healthjd.com/da/jfs/t1/156848/38/21933/85831/61711aa7E232dfe82/74df321f348d2ede.jpg)
![经常消化不良怎么办?5大方法调节肠胃,让你吃得舒心](http://image.healthjd.com/da/jfs/t1/72039/31/17876/150296/62747a87E5fb1ba63/d24f47b15afd1fce.jpg)
经常消化不良怎么办?5大方法调节肠胃,让你吃得舒心
![京东健康互联网医院](http://image.healthjd.com/da/jfs/t1/161436/28/37944/90902/65d1d5e7F58aae7bb/a7da0a70bb64bef1.png)
![排便习惯改变或为直肠癌](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
排便习惯改变或为直肠癌
![便中带血就是痔?注意区分癌和痔](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
便中带血就是痔?注意区分癌和痔
![结直肠癌筛查:过度诊断有危害、如何避免?](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
结直肠癌筛查:过度诊断有危害、如何避免?
![如何预防直肠癌](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
如何预防直肠癌
![为何会得双重癌?](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
为何会得双重癌?
![不良饮食也可致直肠癌](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
不良饮食也可致直肠癌
![女性直肠癌会有白带增多现象](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
女性直肠癌会有白带增多现象
![中期直肠癌需要化疗吗](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
中期直肠癌需要化疗吗
![先进PET/CT初试显奇功](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
先进PET/CT初试显奇功
![一周问答1期:如何治疗鼻息肉?血压低该如何调理?直肠指检的临床意义有哪些?脱发怎么办?](https://img14.360buyimg.com/imagetools/jfs/t1/188961/1/44914/13526/664df7c8F6e09623d/c595d1c86d9fda1a.jpg)
一周问答1期:如何治疗鼻息肉?血压低该如何调理?直肠指检的临床意义有哪些?脱发怎么办?
![广告图片](https://storage.360buyimg.com/jdhhealth-public/laputa/3091b328-e8b4-4082-9175-02332118d2ff.png)
![关闭icon](https://storage.360buyimg.com/jdhhealth-public/laputa/d44c4b5b-8206-45b2-85e6-12408f369b3e.png)