endoscopic bronchial ultrasound
Endoscopic Bronchial Ultrasound (EBUS) Endoscopic Bronchial Ultrasound (EBUS) The EBUS procedure is similar to a bronchoscopy except that it uses ultrasound technology to visualize structures in and around the bronchial tree or the lungs. This allows the physician to see beyond the bronchial wall to the diseased tissue, lymph nodes or lesions outside of the bronchial airways.