活跃的直肠出血由于由肠道准备引起的聚脱离:一个病例报告
1Department of Gastroenterology, People's Hospital of Leshan, Leshan, CHN.
Cureus
|October 15, 2025
概括
一个罕见的胃肠道下部出血 (LGIB) 病例是由肠道准备期间的聚体脱落引起的. 这种与特定的粘膜变化相关的事件,为治疗性出血的原因提供了新的见解.
科学领域:
- 胃肠病学 胃肠病学
- 结肠直肠手术 结肠直肠手术
- 医疗病例报告 病例报告
背景情况:
- 下胃肠道出血 (LGIB) 是一个常见的临床问题,通常是由分泌管或血管扩张引起的.
- 较少了解LGIB的阳性原因,需要进一步调查程序性并发症.
研究的目的:
- 在结肠镜检查后进行肠道准备后,报告一个独特的活跃直肠出血病例.
- 探索"肠道制备诱导的多突变"作为LGIB的原因的潜在机制.
- 强调皮粘膜 (CSM) 作为瘤风险的潜在标志物的重要性.
主要方法:
- 一份病例报告显示,一名32岁的男性患有严重的直肠出血.
- 内镜检查以可视化出血的来源,并描述粘膜的发现.
- 对病变和周围的粘膜组织病理学分析 (隐含).
主要成果:
- 在内镜检查期间,在直肠中观察到大量的新鲜红血和血块.
- 确定了一个8毫米的粘膜突起与活跃的动脉脉动出血.
- 病变被特有的皮粘膜 (CSM) 包围着.
结论:
- 在肠道准备过程中,脚的多体的机械排泄是LGIB的新拟议机制.
- 硬化便或纤维诱导的摩擦可能导致多的脱落和随后的出血.
- 皮粘膜 (CSM) 可能作为LGIB患者潜在瘤风险的指标.
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