结核病的实验室诊断是发现传染源的主要途径和手段,是确定结核病诊断和治疗方案的重要依据,痰中结核杆菌的检测方法常规采用痰涂片及痰培养。涂片虽简单易行,但阳性率低,培养虽为金标准,但周期太长,均难以满足临床需要。噬菌体生物扩增方法(Phab)是近年来建立的一种细菌学快速 Tuberculosis laboratory diagnosis is to find the main source of infection and means to determine the diagnosis and treatment of tuberculosis is an important basis for the detection of sputum Mycobacterium tuberculosis sputum smear and conventional culture. Although the smear is simple, but the positive rate is low, although the gold standard training, but the cycle is too long, are difficult to meet clinical needs. Phage amplification method (Phab) is a bacteriological rapid established in recent years