腔内超声检查 intraductal ultrasonography ; IDUS

行胆管腔内超声检查 intraductal ultrasonography ; IDUS

心腔内超声检查 intracardiac echocardiography

经直肠腔内超声检查 transrectalUltrasonography ; TRUS

直肠腔内三维超声检查 Intrarectal 3-Dimensional ultrasonography ; IR3-DUS

气管镜腔内超声检查 Endobronchial ultrasound ; EBUS

腔内超声检查法 intraluminal sonography