呼吸系统疾病通常被认为是由呼吸道的炎症引起的。检测气道炎症的方法有多种,纤维支气管镜黏膜活检或支气管肺泡灌洗技术(BAL),能够直接反映气道炎症,准确、可靠,但其对机体创伤较大,操作过程具有一定的危险性,患者的耐受性及可重复性差,因此主要用于科研,在临床上应用很少。对 Respiratory diseases are generally thought to be caused by the inflammation of the respiratory tract. There are many ways to detect airway inflammation, bronchoscopy mucosal biopsy or bronchoalveolar lavage (BAL), can directly reflect the airway inflammation, accurate and reliable, but its body trauma, the operation has a certain degree of risk Sex, patient tolerance and poor reproducibility, it is mainly used for scientific research, rarely used in clinical. Correct