结果反复咳嗽、咳痰，进行性呼吸困难，慢性呼吸功能衰渴以及典型的影像表现与临床症状不相称是PAP的特征。
Results PAP was characterized of repeating cough, expectoration, dyspnea, slow respiratory failure, and clinical images which not matched with clinical symptoms.
材料与方法：对长期慢性咳嗽、咳痰、咯血，疑诊为支气管扩张的15 0例患者，用离子型或非离子型造影剂行支气管造影检查。
Materials and methods: 150 patients with chronic cough, sputum and hemoptysis in whom bronchiectasis was suspected underwent bronchography using nonionic or ionic agent respectively.
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