biostudies-literatureUnknown12(9)Yu LChronic cough is a common symptom of many diseases. Guidelines on cough from different countries recommend chest X-ray as the first-line examination. However, as compared to computerized tomography (CT), chest X-ray is insensitive in the diagnosis of many diseases. We speculate that CT is more helpful in excluding the causes of long-term cough, such as bronchial tumors and pulmonary interstitial diseases, which prevents patients from receiving unnecessary examinations and diagnostic treatments for chronic cough. In addition, a single chest CT is safe and affordable in some regions. Therefore, chest CT may be recommended as a first-line examination for patients with chronic cough. In addition, although bronchoscopy is employed as a further examination for chronic cough, it plays an importanJournal of thoracic disease5238-5242https://www.ebi.ac.uk/biostudies/studies/S-EPMC7578503biostudies-literatureShould computed tomography and bronchoscopy be routine examinations for chronic cough?PMC7578503Niu SYu LXu XfalseShould computed tomography and bronchoscopy be routine examinations for chronic cough?Chronic cough is a common symptom of many diseases. Guidelines on cough from different countries recommend chest X-ray as the first-line examination. However, as compared to computerized tomography (CT), chest X-ray is insensitive in the diagnosis of many diseases. We speculate that CT is more helpful in excluding the causes of long-term cough, such as bronchial tumors and pulmonary interstitial diseases, which prevents patients from receiving unnecessary examinations and diagnostic treatments for chronic cough. In addition, a single chest CT is safe and affordable in some regions. Therefore, chest CT may be recommended as a first-line examination for patients with chronic cough. In addition, although bronchoscopy is employed as a further examination for chronic cough, it plays an importan2020-01-01T00:00:00Z2020 Sep2025-04-25T17:39:44.959Z2025-04-06T06:14:27.891ZS-EPMC75785033314509910.21037/jtd-2020-icc-001