Bronchography is a radiological technique, which involves x-raying the

respiratory tree The respiratory tract is the subdivision of the respiratory system involved with the process of respiration in mammals. The respiratory tract is lined with respiratory epithelium as respiratory mucosa. Air is breathed in through the nose to t ...

after coating the airways with contrast. Bronchography is rarely performed, as it has been made obsolete with improvements in computed tomography and

bronchoscopy Bronchoscopy is an endoscopic technique of visualizing the inside of the airways for diagnostic and therapeutic purposes. An instrument (bronchoscope) is inserted into the airways, usually through the nose or mouth, or occasionally through a trac ...

References

Respiratory system imaging Projectional radiography {{Med-diagnostic-stub