在有过敏性支气管肺菌症的支气管中具有高衰减的粘液
Shigeaki Hattori1, Tsuyoshi Oguma1, Takashi Ishiguro2
1Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Kanagawa, Japan.
Mycoses
|February 18, 2024
概括
过敏性支气管肺菌 (ABPM) 中的高衰减粘液 (HAM) 显示了两个诊断方法之间的实质性一致性. HAM与较低的Aspergillus fumigatus敏感性和更远端的气道病变有关.
科学领域:
- 放射学 放射学是一门学科.
- 肺部病理学 肺部病理学
- 过敏 免疫学 免疫学
背景情况:
- 高衰减粘液 (HAM) 是一种关键的计算机断层扫描 (CT) 在过敏支气管肺菌病 (ABPM) 中的发现.
- 准确诊断HAM对于理解ABPM至关重要.
- 对于诊断HAM存在两个不同的定义.
研究的目的:
- 为了比较两个对高衰减粘液 (HAM) 的定义的诊断准确度.
- 阐明区分HAM阳性和HAM阴性ABPM病例的临床和放射特征.
主要方法:
- 从ABPM患者的CT图像进行回顾性分析.
- 研究#1:在26名患者中,评估了两个HAM定义之间的一致性 (视觉对准脊髓肌肉的比较与辐射密度≥70Hounsfield单位).
- 第二项研究:在14个日本研究所的60名ABPM患者中,根据对准脊髓肌肉的比较,评估了HAM诊断.
主要成果:
- 在研究#1.1中,两种HAM诊断方法之间发现了实质性的一致性 (κ=0.72).
- 在第二项研究中,75%的ABPM病例表现出HAM.
- 与HAM阴性患者相比,HAM阳性患者的Aspergillus fumigatus特异性IgE标位显著降低 (中位数为2.5对24.3UA/mL) 和更频繁的偏远气道结节阴影 (59%对32%).
结论:
- 在ABPM中诊断HAM的两种方法表明了实质性的一致性.
- HAM与特定的免疫学特征有关,包括对Aspergillus fumigatus的敏感性降低.
- 放射性发现表明HAM与远距离气道病变存在的相关性.
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