\n\n
当然,总有几个人的 HPV 更顽强,像间谍一样给“城门守卫”宫颈上皮细胞一些威胁或小恩小惠,大摇大摆的跟宫颈上皮称兄道弟,甚至住到人家家里,即所谓的基因整合。HPV 把自己的基因和上皮细胞整合,上皮细胞就俯首称臣,开始不断增殖。在增殖过程中,正常上皮细胞根正苗红的形象不断改变,越来越像个罪恶分子。
\n\n \n\n如果说亚临床感染是 HPV 迈出的罪恶的第一步,那么现在是 HPV 对宫颈影响罪恶的第二步,这一步在临床上称为“宫颈上皮内瘤变” (cervical intraepithelial neoplasia,CIN)。根据宫颈上皮细胞被 HPV “腐化”的形态和数目的不同,临床上把 CIN 分为两类:低级别上皮内瘤变 (low grade squamous intraepithelial lesion,LSIL)和高级别上皮内瘤变 (high grade squamous intraepithelial lesion,HSIL)。从低级别到高级别是连续发展的过程,都是癌前病变,还没有最终完成事实犯罪,基本算个犯罪未遂,不过也造成了人民群众(宫颈)的损失(正常的细胞形态破坏和无序的增殖)。
\n\nCIN 一般无明显症状和体征,部分有白带增多、白带带血、接触性出血及宫颈肥大、充血、糜烂、息肉等慢性宫颈炎的表现。由于正常外观的宫颈也占相当比例 (10%~50%),故单凭肉眼观察无法诊断 CIN。
\n\nHPV 造成的损失需要借助液基薄层细胞学检测 (thinprep cytologic test,TCT)来明确。这个 HPV “腐化”城门守卫的过程可以很长,有 5~10 年。这么长的作案时间,也给了我们消灭它的机会。CIN 的转归有消退或逆转、持续不变及进展或癌变三种。
\n\n如果您的宫颈切片报告有不同程度的 CIN,则须按照专业医生的要求进行随访和治疗。不过也不必太过于恐慌,甚至绝望,因为绝大多数 CIN 病灶局限,保守性治疗一次性治愈率高达 97%,原位癌 5 年的生存率为 100%。
\n\n如果 HPV 继续它罪恶的脚步,就会突破城门的最后一道防线——基底膜,此时 HPV 就是个既遂罪犯了,宫颈癌就发生了。临床上根据肿瘤大小、浸润深度、转移范围等将宫颈癌进一步再分期,分期就类似于对 HPV 罪恶程度进行公审,早期的判的轻点,晚期的可能就会威胁到我们的生命。
\n\n现在你知道宫颈癌的由来了吗?
\n\n其实,造成宫颈癌的原因还有许多,除了上述说的 HPV 病毒感染以外,多个性伴侣、初次性生活小于 16 岁、初产年龄小、多孕多产等与宫颈癌发生密切相关。沙眼衣原体、单纯疱疹病毒 II 型、滴虫等病原体的感染在高危 HPV 感染导致宫颈癌的发病过程中有协同作用。吸烟、营养不良、卫生条件差也可影响疾病的发生。
\n\n最后,送大家一句话:路漫漫其修远兮,吾将体检进行到底。请大家一定注意早筛查、早发现、早治疗!
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