什么叫做阴性肺结核

2025年04月06日 17:27
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网友(1):

肺结核阴性可能提示患者曾经感染过肺结核,但经过治疗后,已经好转。此外,也可能提示结核相关检查为阴性,如痰菌检查阴性等,可能与患者抵抗力较低有关。

一、肺结核患者已被治愈:
肺结核阴性是指肺结核病患者经过治疗后,体内的结核杆菌被清除,肺结核已经治愈,此时进行检查通常提示肺结核阴性。

二、肺结核不同检查阴性:
1、痰菌检查阴性:如果肺结核痰菌检查阴性,通常提示痰中没有找到结核杆菌。如果患者的肺结核已经确诊,由于多次痰检查都没有结核杆菌,说明患者的肺结核不具有传染性,无需住院治疗,居家接受正规抗结核治疗即可;

2、其他检查阴性:如果结核菌素阴性、结核感染T细胞斑点试验阴性、血液结核抗体阴性等,通常说明患者体内不存在抗结核杆菌的特异性抗体,可能与患者的机体抵抗力低,尤其是细胞免疫力低有关。

对于确诊肺结核的患者,通常胸部X线检查存在异常,有相应的肺结核病灶。如果肺部没有病灶,胸部X线检查无异常,肺结核的诊断则无法确立。肺结核的诊断通常需要依据肺结核导致的典型胸部X线病灶,结合临床症状与伴随体征,如低热、乏力、盗汗、消瘦等,则可以临床诊断为肺结核,需要及时就诊,进行经验性的抗结核治疗。

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