热点搜索:中医治肿瘤的优势为什么选择济南中医肿瘤医院

手术很成功,化疗后为什么也会复发

手术很成功,化疗后为什么也会复发?
56岁,胃癌手术后,连做6个疗程的化疗,可还不到一年,却仍然发生了转移。家人很疑惑,当时手术很成功,化疗也没断,为什么不到一年还是复发转移了呢?
中医能治疗吗?
提问者: 肿瘤患者
等级:列兵
时间:10-03
悬赏:10
解决时间:2012-10-08 08:37
最佳答案
  癌细胞的转移可能是因为唤醒了身体中沉睡的胚胎发育相关转录因子所致。般来说,癌细胞进行转移会分为几个阶段:第一个阶段称为侵犯,这个阶段中癌上皮细胞会松开癌细胞之间的连接,使得癌细胞“重获自由”而能移动到其他地方去。第二个阶段称为内渗,癌细胞穿过血管或淋巴管的内皮进入循环系统。第三阶段称为外渗,在这个阶段当中,经过循环系统之旅洗礼的幸存者,会穿过微血管的内皮细胞到达其他的组织。最后的阶段就是这些癌细胞的新大陆移民,在其他组织当中繁衍茁壮形成转移的恶性肿瘤。

  癌细胞之所以能进行转移,可能是因为唤醒身体中沉睡已久,负责胚胎早期型态发育的基因,从而启动相关的程序,因此获得转移的可怕能力。

  癌症转移的方式:

  癌细胞是非常“贪婪”的,它会跑到它可能到达的任何地方,而路径主要有3条:

  一、淋巴转移

  淋巴转移一般最早,因此进行肿瘤切除时,要进行淋巴结清扫;放疗除了照射原发肿瘤病灶外,还要照射周围淋巴结。淋巴系统遍布周身,是癌细胞转移的理想及首选通道。淋巴转移往往由近及远,如乳腺癌首先转移到同侧腋窝淋巴结,之后转移到锁骨上、下淋巴结,甚至对侧腋窝淋巴结。

  二、血行转移

  直接侵入血管或经淋巴管进入血管的癌细胞,会随血流到达其他部位如肺、脑、肝和骨等,这就是血行转移。胃肠道癌常转移至肝和肺,乳腺癌、肾癌、骨肉瘤等常转移到肺,肺癌易转移至脑,前列腺癌易转移到骨。化疗就是为了避免癌细胞通过血行转移,而用药“沿途”消灭癌细胞。

  三、种植

  还有一种转移比较少,就是种植转移。癌细胞如果从肿瘤表面脱落,“掉”在胸腔、腹腔和脑脊髓腔等处,就会“生根发芽”。发生地一般在这些空腔的下部,如肋膈角、直肠膀胱窝、颅底等处。

  平常人们总爱说什么东西致癌,其实,我们还不能说只要不吃什么就不会得癌,或者接触什么就会得癌。现在还没有发现任何一种因素是诱发癌症的必然因素。战胜癌症最重要的是早发现,早期癌症大都可以治愈。为此,我们一是要定期体检,二是不舒服就要看一些症状可能与癌症有关,不要感觉到痛了才去看医生。

癌症非常容易转移复发,这很需要采取综合措施,比如生活方式调整、饮食调整、个性调整,还要加强社会支持、参加各种活动等等。中医中药也是一个很重要的措施,我们用中医药调整的肿瘤患者中,有76%的人活过了5年。
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时间:10-07 04:50
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