Anesthetic management of airway stent placement by rigid bronchoscopy with superior laryngeal nerve block while preserving spontaneous breathing: a case reportToshio Okada1), Mio Yoshida1), Tomoko Matsushita1), Yusuke Ishida1), Kinya Furukawa2), and Michihiro Murozono3)1) Department of Anesthesiology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan2) Department of Thoracic Surgery, Tokyo Medical University Ibaraki Medical Center, 3-20-1 Chuo, Amimachi, Inashiki-gun, Ibaraki 300-0395, Japan3) Department of Anesthesiology, Tokyo Medical University Ibaraki Medical Center, 3-20-1 Chuo, Amimachi, Inashiki-gun, Ibaraki 300-0395, JapanCorresponding author: Toshio OkadaDepartment of AnesthesiologyTokyo Medical University6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, JapanTel.: +81-03-3342-6111; Fax: +81-03-5381-6650Email: [email protected]