直接免疫光在口腔粘膜pemphigoid的诊断价值:一个回顾性研究
Hongjie Jiang1, Pan Wei2, Zhixiu Xu3
1Department of Oral Pathology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Hospital of Stomatology, Peking University, Beijing, China; The Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Municipal Health Commission Key Laboratory of Oral Biomedical Engineering, Chongqing, China.
直接免疫光 (DIF) 对于诊断粘膜皮虫病 (MMP) 具有高度特异性,特别是在检测C3或IgG沉积时. 在这种自身免疫性水泡状况下,IgM阳性可能表明疾病持续时间较长.
科学领域:
- 免疫皮肤学 免疫皮肤学
- 自免疫性泡性疾病 自免疫性泡性疾病
背景情况:
- 粘膜皮炎 (MMP) 呈现出各种症状,使诊断复杂化.
- 直接免疫光 (DIF) 是至关重要的,但其在综合诊断方法中的作用需要澄清.
研究的目的:
- 在MMP病例中评估DIF的诊断准确性.
- 在多式联络诊断工作流程中识别影响DIF积极性的因素.
主要方法:
- 79名疑似MMP患者的回顾性分析.
- 根据临床,遗传病学和血清学数据将其分为确认和未确认的组.
- 在临床粘膜活检上进行DIF,评估线性底层膜区 (BMZ) 沉积物 (IgG,IgA,IgM,C3,纤维素).
- 接收器操作特征 (ROC) 曲线分析用于诊断效率.
主要成果:
- 组织病理学显示,在51例病例中出现了亚皮质囊泡 (100%的特异性,92.73%的敏感性).
- DIF检测到47例病例,其中C3 (63.64%) 和IgG (60.00%) 是最常见的.
- DIF表现出85.45%的灵敏度,100%的特异性,以及97.87%的与组织病理学一致性.
- 疾病持续时间是阳性IgM的独立预测指标 (p=0.023).
结论:
- DIF提供100%的特异性,帮助MMP诊断与组织病理学一起,特别是C3/IgG线性BMZ沉积物.
- 在DIF中IgM阳性与较长的疾病持续时间相关,这表明诊断效用可能取决于阶段.
- 这项单一中心的回顾性研究存在一些局限性,包括样本规模小.
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