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
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