免疫受损患者的诊断不确定性:快速进展的间歇性肺部疾病与肺囊肺炎肺炎
Ibrahim Shamasneh1, Neaam Al-Bahadili1, Faustina Amable1
1Internal Medicine, Piedmont Athens Regional Medical Center, AU/UGA Medical Partnership, Athens, USA.
Cureus
|May 16, 2025
概括
这份病例报告详细介绍了一名患有抗Mi2抗体的患者,他发展了快速进展的间歇性肺病 (RP-ILD),挑战了典型的预后. 它强调在重症患者中考虑自身免疫和传染病原因.
科学领域:
- 类风湿病学 类风湿病学
- 肺部病理学 肺部病理学
- 关键护理医学 关键护理医学
背景情况:
- 异常性炎症性肌肉病变 (IIM) 是一种自身免疫性疾病,导致肌肉衰弱和肌肉外器官参与.
- 在IIM中间歇性肺病 (ILD) 是一个不良的预后指标,尽管抗Mi2抗体通常表明一个有利的结果.
- 在免疫抑制患者中,将自身免疫性ILD与诸如Pneumocystis jiroveci肺炎 (PJP) 等感染区分开来至关重要.
研究的目的:
- 提出一个具有挑战性的抗Mi2阳性患者,患有快速进展的ILD (RP-ILD) 的病例.
- 突出诊断的复杂性在危急病,免疫抑制患者急性呼吸衰竭.
- 为了强调考虑自身免疫和传染性病因的重要性.
主要方法:
- 一个74岁的女性病例报告,在病史中患有第四阶段腺癌和大脑转移.
- 在德克萨米他治疗后,患者呈现出渐进的呼吸短促和缺氧.
- 诊断工作包括CT成像,自身抗体测试 (抗Mi2) 和血清β-D-葡萄糖水平.
主要成果:
- 患者对抗Mi2抗体呈阳性,尽管与这种抗体相关的典型良好的预后,但患上了RP-ILD.
- 血清β-D-葡萄糖的升高和临床特征的重叠促使对自身免疫 (类固醇,IVIG) 和传染性 (trimethoprim/sulfamethoxazole) 原因进行治疗.
- 患者显著改善,并通过室内空气出院,在后续成像上几乎完全清晰.
结论:
- 反Mi2抗体并不排除严重ILD的发展,即使是RP-ILD.
- 诊断挑战在严重病症,急性呼吸衰竭的免疫抑制患者中是显著的.
- 除了自身免疫因素之外,对PJP等并发性传染过程的高度怀疑指数是必不可少的.
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