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Updated: Feb 4, 2026

08:10
Diagnosing Pulmonary Tuberculosis with the Xpert MTB/RIF Test
Published on: April 9, 2012
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为什么一个感染了Mycobacterium Avium的患者显示出积极的Xpert MTB/RIF结果?
Lei Chen1, Min Tang1, Qin Wang1
1Department of Pulmonary Medicine Zhongshan Hospital, Fudan University Shanghai China.
Clinical case reports
|February 2, 2026
概括
在MAC患者中诊断Mycobacterium结核病 (MTB) 共感染具有挑战性. 相互矛盾的测试结果凸显了对综合临床解释的需要,以准确诊断和治疗.
科学领域:
- 肺部病理学 肺部病理学
- 传染性疾病 传染性疾病
- 临床微生物学 临床微生物学
背景情况:
- 鸟类菌复合体 (MAC) 和结核菌菌 (MTB) 可以导致肺部疾病.
- 区分并发感染带来了诊断上的挑战.
研究的目的:
- 为了调查患有MAC感染和Xpert MTB/RIF测试阳性患者的诊断困境.
- 评估各种诊断方法在同时感染场景中的有用性.
主要方法:
- 病例报告详细介绍了临床表现,成像和实验室结果.
- 使用了Xpert MTB/RIF,T-SPOT.TB,反向点点杂交,mNGS,真菌菌培养和MPB64测定.
- 不一致的诊断发现的临床解释.
主要成果:
- 专家MTB/RIF检测到MTBDNA的痕迹;T-SPOT.TB是负的.
- 培养证实了菌根菌,但MPB64是负的,这表明NTM.
- mNGS是负的;反向点点证实了MAC.
- 患者通过结合抗结核病和抗MAC治疗得到改善.
结论:
- 在Xpert MTB/RIF和其他测试之间产生不一致的结果使诊断复杂化.
- 综合临床解释对于管理疑似MTB/MAC联合感染至关重要.
- 组合疗法显示有效,但最终的MTB诊断仍然难以捉摸.
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