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President s Lecture (18th WCBE President) Day 3 Tuesday, April 15 13:3014:00 Main Hall (1F) Overview of computer-assisted surgery in otolaryngology head and neck E-PL Chair: Yasushi Murakami (Professor Emeritus, Kyoto Prefectural University of Medicine, Japan) Koichi Tomoda (Kansai Medical University, Osaka, Japan) Keynote Lecture Day 3 Tuesday, April 15 14:0015:00 Main Hall (1F) Robotic surgery in head and neck; It is time to change from mutilating to esthetic Chair: Juichi Ito (Kyoto University, Japan) E-KL Eun-Chang Choi (Yonsei University College of Medicine, Korea) WCBE Special Lecture 1 Day 2 Monday, April 14 9:5010:40 Room B1 (2F) Reconstructive trans-oral laser microsurgery Chair: Seiji Niimi (International University of Health and Welfare, Japan) E-SL1 Paul F. Castellanos (University of Alabama at Birmingham, USA) Special Lecture 2 Day 3 Tuesday, April 15 8:309:20 Room B1 (2F) Surgery for sleep disordered breathing Chair: Tsuneto Akashiba (Nihon University, Japan) E-SL2 Karl Hoermann (University Hospital Mannheim, Germany) Special Lecture 3 Day 3 Tuesday, April 15 9:2010:10 Room B1 (2F) How to manage airway stenosis? Chair: Toru Majima (Kaken Hospital, Japan) E-SL3 Kwang Hyun Kim (Seoul National University Hospital, Seoul National University College of Medicine, Korea) Special Lecture 4 Day 4 Wednesday, April 16 8:309:20 Room B1 (2F) Reconstruction of the pharyngoesophageal defect Chair: Hirotaka Asato (Dokkyo Medical University) E-SL4 Richard E. Hayden (Mayo Clinic of Arizona, USA) Special Lecture 5 Day 4 Wednesday, April 16 9:2010:10 Room B1 (2F) Hypopharyngeal cancer (partial cervical esophagectomy), focusing to function preservation surgery Chair: Seiji Kishimoto (Kameda Medical Center, Japan) E-SL5 Min Sik Kim (The Catholic University of Korea, Korea) 75 Educational Lecture Day 2 Monday, April 14 14:3015:30 Room B1 (2F) Educational seminar for surgery of phonation and dysphagia Chair: Hiroyuki Fukuda (Tokai University Tokyo Hospital, Japan) E-EL1 Education and training for residents and fellows for the management of voice disorders Makoto Miyamoto (Kansai Medical University, Japan) E-EL2 Transoral surgical approaches for pharyngeal dysphagia WCBE Shunichi Chitose (Kurume University School of Medicine, Japan) Symposium 1 Day 2 Monday, April 14 13:1014:20 Room B1 (2F) Therapeutic strategies for overlapping cancer of head and neck and esophageal cancer Chair: Kazuyoshi Kawabata (The Cancer Institute Hospital of JFCR, Japan) E-SY1-1 Transnasal esophagogastroduodenoscopy (EGD) with NBI in diagnosis of hypopharyngeal and simultaneous esophageal cancers Jenq-Yuh Ko (National Taiwan University Hospital, Taiwan) E-SY1-2 The treatment outcomes of synchronous esophageal squamous cell carcinoma and head and neck squamous cell carcinoma Yasushi Toh (National Kyushu Cancer Center, Japan) E-SY1-3 Therapeutic strategies for head and neck cancer associated with esophageal cancer Naoki Otsuki (Kobe University Graduate School of Medicine, Japan) Symposium 2 Day 3 Tuesday, April 15 14:3016:10 Room B1 (2F) Recent management of dysphagia Chairs: Eiji Yumoto (Kumamoto University, Japan) Young-Hak Park (The Catholic University of Korea, Korea) E-SY2-1 Normal and disordered pharyngeal phase of swallowing Maggie Kuhn (University of California, USA) E-SY2-2 Simple and clinic-based scoring system for endoscopic swallowing evaluation and its clinical significance Masamitsu Hyodo (Kochi Medical School, Japan) E-SY2-3 Clinical applications of behavioral management strategies in cricopharyngeal dysphagia Young-Hak Park (The Catholic University of Korea, School of Medicine, Korea) E-SY2-4 Dysphagia in Parkinson s disease Sonoko Nozaki (Hyogo University of Health Sciences, Japan) E-SY2-5 Indications and outcomes of cricopharyngeal myotomy and laryngeal suspension for oral cancer surgery Yasushi Fujimoto (Nagoya University School of Medicine, Japan) 76 Symposium 3 Day 3 Tuesday, April 15 16:2018:00 Room B1 (2F) Sentinel node biopsy for head and neck cancer Chairs: Yasuhisa Hasegawa (Aichi Cancer Center, Japan) Akihiro Shiotani (National Defense Medical College, Japan) E-SY3-1 Sentinel node biopsy in larynx & oropharynx Georges Lawson (Université Catholique de Louvain, Cliniques Universitaires de MontGodinne, Belgium) E-SY3-2 Sentinel navigation surgery for oral cancer Hitoshi Hirakawa (Aichi Cancer Center, Japan) and neck cancer Yasunao Kogashiwa (Kyorin University School of Medicine, Japan) E-SY3-4 Feasibility of novel tracers for sentinel node detection in head and neck region Koji Araki (National Defense Medical College, Japan) Symposium 4 Day 4 Wednesday, April 16 10:1011:40 Room B1 (2F) Modern surgery for esophagus cancer Chairs: Hiroyuki Kuwano (Gunma University, Japan) Simon YK Law (The University of Hong Kong, Hong Kong) E-SY4-1 Modern surgery for esophageal cancer Simon Law (The University of Hong Kong, Hong Kong) E-SY4-2 Minimally invasive esophageal surgery in the view of quality of life Young Mog Shim (Department of Thoracic and Cardiovascular Surgery Sungkyunkwan University School of Medicine Samsung Medical Center, Korea) E-SY4-3 The evolving role of esophagectomy in the era of neoadjuvant chemoradiotherapy Yin Kai Chao (Chang Gung Memorial Hospital, Taiwan) E-SY4-4 Thoracoscopic esophagectomy in a prone position for esophageal cancer: A preceding anterior approach method Soji Ozawa (Tokai University School of Medicine, Japan) Symposium 5 Day 4 Wednesday, April 16 13:0014:30 Room B1 (2F) Controversies in the management of advanced laryngeal and! or hypopharyngeal cancer Chairs: Rogerio Dedivitis (University of Sao Pauro School of Medicine, Brazil) Tadashi Nakashima (Kurume University, Japan) E-SY5-1 Advanced laryngeal cancer: Current treatment background and the future direction Meijin Nakayama (Kitasato University, Japan) E-SY5-2 Controversies in the management of advanced laryngeal and hypopharyngeal cancer Rogerio Dedivitis (University of Sao Paulo School of Medicine, Brazil) 77 WCBE E-SY3-3 Sentinel node navigation surgery using indocyanine green fluorescence imaging for head E-SY5-3 Current management strategy of laryngeal cancer and hypopharyngeal cancer in China Tao Lei (Eye & ENT Hospital of FudanUniversity, China) E-SY5-4 The improvement of the treatment outcome in laryngeal cancer and hypopharyngeal cancer Hirohito Umeno (Kurume University, Japan) Sponsored Seminar Day 2 Monday, April 14 10:5011:50 Room B1 (2F) Development history and concept of an oral anticancer agent S-1 (TS-1): Its clinical usefulness and future vistas WCBE Chair: Naoyuki Kohno (Kyorin University, Japan) E-SS Koh Miura (Miyagi Cancer Center, Japan) Tetsuhiko Shirasaka (Kitasato Institute for Life Science, Kitasato University, Japan) Sponsored by: TAIHO PHARMACEUTICAL CO., LTD. Luncheon Seminar F Day 2 Monday, April 14 12:0013:00 Room B1 (2F) Evaluation and management of laryngopharyngeal reflux Chair: Satoshi Fukuda (Hokkaido University, Japan) E-LSF Nobuhiko Oridate (Yokohama City University, Japan) Sponsored by: Eisai Co., Ltd. Luncheon Seminar J Day 3 Tuesday, April 15 12:0013:00 Room B1 (2F) A paradigm shift: Reasons for the change to primary TEP with prosthesis placement Chair: Kenichi Nibu (Kobe University, Japan) E-LSJ Brian B. Burkey (Cleveland Clinic Foundation, USA) Sponsored by: Meilleur-Atos Medical Inc. Luncheon Seminar M Day 4 Wednesday, April 16 12:0013:00 Room B1 (2F) Three-dimensional evaluation of laryngotracheal region using cone-beam computed tomography Chair: Kaoru Ogawa (Keio University, Japan) E-LSM Koichiro Saito (Keio University, Japan) Sponsored by: J. MORITA MFG. CORP. Oral Presentation 1 Day 2 Monday, April 14 15:4016:20 Room B1 (2F) Head and neck cancer 1 Chairs: Georges Lawson (Université Catholique de Louvain, Cliniques Universitaires de Mont-Godinne, Belgium) Yoshitaka Okamoto (Chiba University, Japan) E-O1-1 A diagnostic meta-analysis of sentinel lymph node biopsy in early head and neck squamous cell carcinoma Dai Sato (Kyorin University School of Medicine, Japan) E-O1-2 Post-therapeutic laryngeal function and QOL after radiotherapy or laser surgery against early glottic cancer Takeyuki Kono (Keio University School of Medicine, Japan) 78 E-O1-3 Laryngeal leukoplakia in non-smokers-who requires biopsy?- Kosuke Uno (Keio University School of Medicine, Japan) E-O1-4 Utility of high-definition nasopharyngoscope with i-scan for determining margin in transoral video-assisted surgery Takahiro Fukuhara (Faculty of Medicine Tottori University, Japan) Oral Presentation 2 Day 2 Monday, April 14 16:2017:00 Room B1 (2F) Head and neck cancer 2 E-O2-1 Early detection and endoscope assisted resection of pharyngeal cancer with narrow band imaging technique Ichiro Tateya (Graduate School of Medicine, Kyoto University, Japan) E-O2-2 Office-based NBI guided-flexible laryngoscopic tissue sampling: A safe and effective new technique Tuan-Jen Fang (Chang Gung Memorial Hospital, Taipei, Taiwan) E-O2-3 Lymph node metastasis in burns space Akihiro Homma (Hokkaido University Graduate School of Medicine, Japan) E-O2-4 Utility of real-time ultrasound elastography in patient with thyroid gland cancer Yukie Hotta (Shimane University of Medicine, Japan) Oral Presentation 3 Day 2 Monday, April 14 17:0017:50 Room B1 (2F) Trachea and esophagus Chairs: Koichi Kaneko (Saitama Medical University, International Medical Center, Japan) Wei-Chung Hsu (National Taiwan University Hospital, Taiwan) E-O3-1 Stable regeneration of tracheal wall using autologous chondrocytes and epithelial cells Shintaro Sueyoshi (Kurume University School of Medicine, Japan) pluronic F127 E-O3-2 Tracheal reconstruction with asymmetrically porous polycaprolactone! membranes Seong Keun Kwon (College of Medicine, Seoul National University, Korea) E-O3-3 Systematic evaluation of esophageal motility and pH in patients with laryngo-tracheal stenosis: A preliminary study Paulo F.G. Cardoso (InCor (Heart Institute)-HCFMUSP, University of Sao Paulo School of Medicine, Brazil) E-O3-4 An analysis of secondary esophageal reconstruction Norio Fukuda (Dokkyo Medical University, Japan) E-O3-5 Endoscopic treatment of recurrent te fistula by KTP laser cauterization with tissue fibrin glue adhesion in children Wei-Chung Hsu (National Taiwan University Hospital, Taiwan) 79 WCBE Chairs: Ryo Kawata (Osaka Medical College, Japan) Hidenori Inohara (Osaka University Graduate School of Medicine, Japan) Oral Presentation 4 Day 3 Tuesday, April 15 10:2011:00 Room B1 (2F) Larynx 1 Chairs: Niro Tayama (National Center for Global Health and Medicine, Japan) Kazunori Mori (Sakai Hospital Kinki University Faculty of Medicine, Japan) E-O4-1 Efficacy of type 3 thyroplasty as pitch-lowering surgery in patients with a high-pitched voice Kazuhiro Nakamura (Tokyo Medical University Hachioji Medical Center, Japan) E-O4-2 Effects of type II thyroplasty for adductor spasmodic dysphonia WCBE Kenji Mizoguchi (Hokkaido University School of Medicine, Japan) E-O4-3 Dimensions and morphological characteristics of human newborn glottis Kiminori Sato (Kurume University School of Medicine, Japan) E-O4-4 Modulation of MyoD-positive satellite cells and myocytes following recurrent laryngeal nerve regeneration Haruka Kodama (Kumamoto University, Japan) Oral Presentation 5 Day 3 Tuesday, April 15 11:0011:50 Room B1 (2F) Larynx 2 Chairs: Mikio Suzuki (University of the Ryukyus, Japan) Etsuyo Tamura (Tokai University School of Medicine, Japan) E-O5-1 Electrical stimulation induces adduction of immobilized vocal fold with unilaterally paralyzed larynx Akihiro Katada (Asahikawa Medical University, Japan) E-O5-2 Regeneration of vocal fold mucosa using a tissue-engineered structure containing oral mucosal cells Mioko Fukahori (Kurume University School of Medicine, Japan) E-O5-3 Evaluation of voice function using newly developed two maps considered by vocalization components Haruhito Saida (Voice Tec Vocal Art Science Laboratory, Japan) E-O5-4 A case report of bamboo node associated with systemic lupus erythematous Nobuharu Matsumoto (Japanese Red Cross Ashikaga Hospital, Japan) E-O5-5 Airway management of midline fixation of the bilateral vocal folds Masako Masuda (Kumamoto University Graduate School of Medical Science, Japan) 80 Oral Presentation 6 Day 3 Tuesday, April 15 13:1013:50 Room B1 (2F) Dysphagia 1 Chairs: Tatsuyuki Kawano (Tokyo Medical and Dental University, Japan) Yasuaki Harabuchi (Asahikawa Medical University, Japan) E-O6-1 Can mano-videoendoscopy substitute for videofluorography in evaluation of upper esophageal sphincter function? Takehiro Karaho (Kyorin University, School of Medicine, Japan) E-O6-2 Dysphagia problems after chemoradiation theraphy in nasopharyngeal carcinoma patients Susyana Zainuddin Tamin (Indonesia University School of Medicine, Indonesia) WCBE E-O6-3 Laryngotracheal separation for type III laryngotracheoesophageal cleft with type C esophageal atresia Toru Miyazawa (Asanogawa General Hospital, Japan) E-O6-4 Postdeglutive residue in associated unilateral laryngeal paralysis vs recurrent laryngeal paralysis Yoshihiko Kumai (Kumamoto University Graduate School of Medicine, Japan) Oral Presentation 7 Day 3 Tuesday, April 15 13:5014:20 Room B1 (2F) Dysphagia 2 Chair: Tomokazu Yoshizaki (Kanazawa University, Japan) E-O7-1 Advantageous effects of a novel central-part laryngectomy for intractable aspiration Ai Kawamoto (Tohoku University Graduate School of Medicine, Japan) E-O7-2 Effectiveness of laryngotracheal separation in neurologically impaired pediatric patients Hirotaka Hara (Yamaguchi University Graduate School of Medicine, Japan) E-O7-3 Withdrawn Poster Presentation 1 Day 3 Tuesday, April 15 17:0017:18 Annex 1!Annex 2 (1F) Laryngeal & hypopharyngeal cancer 1 Chair: Tetsuya Ogawa (Aichi Medical University, Japan) E-P1-1 Treatment results and prognostic factors for squamous cell carcinoma of the hypopharynx treated with chemoradiotherapy Takahide Taguchi (Yokohama City University School of Medicine, Japan) E-P1-2 The outcome of larynx preservasion therapy for local advanced hypopharyugeal cancer Morimasa Kitamura (Graduate School of Medicine, Kyoto University, Japan) E-P1-3 The transition of laryngeal cancer incidence rate during the last two decades in Fukui prefecture Masafumi Kanno (University of Fukui, Japan) 81 Poster Presentation 2 Day 3 Tuesday, April 15 17:1817:36 Annex 1!Annex 2 (1F) Laryngeal & hypopharyngeal cancer 2 Chair: Shigeharu Fujieda (University of Fukui, Japan) E-P2-1 A rare case of laryngeal adenoid cystic carcinoma represented unusual circumferential stenosis in subglottic region Takashi Kashiwagi (Dokkyo Medical University, Japan) E-P2-2 A rare case of glottic cancer with low-risk HPV infection Hiroumi Matsuzaki (Surugadai Nihon University Hospital, Japan) WCBE E-P2-3 Ho:YAG laser-application to laryngeal microsurgery-study of irradiation methods- Hiroumi Matsuzaki (Nihon University Surugadai Hospital, Japan) Poster Presentation 3 Day 3 Tuesday, April 15 17:3618:00 Annex 1!Annex 2 (1F) Laryngeal & Hypopharyngeal cancer 3 Chair: Sho Hashimoto (National Sendai Medical Center, Tohoku University School of Medicine, Japan) E-P3-1 Management of the paratracheal dissection in patients with pyriform sinus cancer (multicenter retrospective study) Toshifumi Tomioka (National Cancer Center Hospital East Chiba, Japan) E-P3-2 Managements for the recurrence of early hypopharyngeal carcinoma after transoral resection Keiichi Miyashita (Kagoshima University Graduate School of Medical and Dental Sciences, Japan) E-P3-3 Investigation on the multiple primary cancer in patients with hypopharyngeal cancer Noriaki Aoi (Shimane University, Faculty of Medicine, Japan) E-P3-4 A novel laryngoscopic technique to expose the hypopharyngeal space Shigeyuki Murono (Kanazawa University, Japan) Poster Presentation 4 Day 3 Tuesday, April 15 17:0017:18 Annex 1!Annex 2 (1F) Esophageal cancer 1 Chair: Hiroyuki Kato (Dokkyo Medical University, Japan) E-P4-1 The role of photodynamic therapy (PDT) in palliative endoscopic treatment of patients with malignant esophageal stenosis Victor Sokolov (Hertzen Moscow Oncology Research Institute, Russia) E-P4-2 Photodynamic therapy (PDT) in patients with early (STAGE I) oesophageal cancer Dmitry Sokolov (Moscow City Oncological Hospital N 62, Russia) E-P4-3 Clinical outcomes and problems of definitive chemoradiotherapy for esophageal cancer Akinori Egashira (National Kyushu Cancer Center, Japan) 82 Poster Presentation 5 Day 3 Tuesday, April 15 17:1817:36 Annex 1!Annex 2 (1F) Esophageal cancer 2 Chair: Hideo Baba (Kumamoto University, Japan) E-P5-1 Esophagectomy in patients 70 years of age and older with esophageal cancer Takefumi Ohga (National Fukuoka-Higashi Medical Center, Japan) E-P5-2 Clinical signifivance of FDG-PET in screening of synchronous cancer of other organs in patients with esophageal cancer Tatsuya Miyazaki (Gunma University Graduate School, Gunma, Japan) WCBE E-P5-3 TGFBI expression predicts the therapeutic effect of chemoradiation therapy in esophageal carcinoma Daigo Ozawa (Graduate School of Medicine, Gunma University, Japan) Poster Presentation 6 Day 3 Tuesday, April 15 17:3617:54 Annex 1!Annex 2 (1F) Esophageal cancer 3 Chair: Min-Sik Kim (The Catholic University of Korea, Korea) E-P6-1 Tissue blood flow change of the gastric tube after microvascular vein anastomosis for esophageal reconstruction Hitoshi Satodate (NTT Medical Center Tokyo, Japan) E-P6-2 Prognoses of the hypopharyngeal or cervical esophageal squamous cell carcinoma after treatment by operation or CCRT Hiroyuki Maeda (Ryukyu University School of Medicine, Japan) E-P6-3 Transnasal esophagogastroduodenoscopy (EGD) in diagnosis of hypopharyngeal cancer Cheng-Ping Wang (National Taiwan University Hospital, Taiwan) Poster Presentation 7 Day 3 Tuesday, April 15 17:0017:24 Annex 1!Annex 2 (1F) Thyroid Chair: Sueyoshi Moritani (Center for Head and Neck Surgery, Kusatsu General Hospital, Japan) E-P7-1 Effects of thyroidectomy to hypo-pharyngeal esophageal acid reflux Yuki Hamajima (Nagoya City University, Japan) E-P7-2 Long-term prognosis of differentiated thyroid carcinoma Koichiro Yamada (Osaka Red-Cross Hospital, Japan) E-P7-3 Molecular analysis and clinical features of the parathyroid cancer; A case study Keisuke Enomoto (Osaka General Medical Center, Japan) E-P7-4 Acute spontaneous intrathyroid hemorrhage with thyroid pain and laboratory findings Yasutaka Yun (Takeda General Hospital, Japan) 83 Poster Presentation 8 Day 3 Tuesday, April 15 17:2417:42 Annex 1!Annex 2 (1F) Miscellaneous 1 Chair: Yukio Katori (Tohoku University, Japan) E-P8-1 Solitory laryngeal neurofibroma: Case report and a review of literature Yuanyuan Li (Xiangya Hospital of Central South University, China) E-P8-2 A case of actinomycosis of the larynx Yasuyuki Nomura (Nihon University School of Medicine, Japan) E-P8-3 Investigation of intubation-induced bilateral vocal fold dyscinesia WCBE Koji Matsushima (Toho University School of Medicine, Japan) Poster Presentation 9 Day 3 Tuesday, April 15 17:4218:00 Annex 1!Annex 2 (1F) Miscellaneous 2 Chair: Shun-ichi Sasaki (Ashikaga Red Cross Hospital, Japan) E-P9-1 15 times of sclerotherapy for a large hemangioma extending from the pharynx to the cervical esophagus; A case report Aki Taguchi (Ehime University School of Medicine, Japan) E-P9-2 Nodular hidradenoma of the left neck: A case report Toshiro Kawano (Nishi-Yokohama International Hospital, Japan) E-P9-3 Descending necrotizing mediastinitis: Clinical analyses in 9 cases Tomofumi Sakagami (Kansai Medical University, Japan) Poster Presentation 10 Day 4 Wednesday, April 16 11:0011:30 Annex 1!Annex 2 (1F) Diagnostic tool Chairs: Atsunobu Tsunoda (Tokyo Medical and Dental University, Japan) Kenji Okami (Tokai University, Japan) E-P10-1 Transoral videolaryngoscopic surgery (TOVS) for pharyngeal cancer with deflectable-tip EndoEYE Kenji Okami (Tokai University, Japan) E-P10-2 Development and assessment of mouthpiece using polyethylene terephthalate glycol in transoral robotic surgery Kazunori Fujiwara (Tottori University, Japan) E-P10-3 Prognostic value of 18F-fluorodeoxyglucose uptake before treatment for pharyngeal cancer Hidenori Suzuki (Aichi Cancer Center Hospital, Japan) E-P10-4 Simple diagnostic methods of primary site of laryngeal and hypopharyngeal cancer using ultrasonography Madoka Kaneko Furukawa (Kanagawa Cancer Center, Japan) 84 E-P10-5 Digital image enhancement in the endoscope: Advancement and further progress Atsunobu Tsunoda (Tokyo Medical and Dental University, Japan) Poster Presentation 11 Day 4 Wednesday, April 16 11:3011:54 Annex 1!Annex 2 (1F) Pediatric otolaryngolog Chair: Fumiyo Kudou (Chiba Prefectural University of Health Sciences, Japan) E-P11-1 The effect of laryngotracheal separation in 40 children with severe motor and intellectual disabilities Fumiyo Kudou (Chiba Prefectural University of Health Sciences, Japan) pediatric sleep apnea syndrome Asuka Nagao (Kochi Medical School, Japan) E-P11-3 Evaluation of postoperative improvement of pediatric obstructive sleep apnea syndrome using pulse oximetry Eriko Matsuda (Tottori University Faculty of Medicine, Japan) E-P11-4 Airway management of the patient with antley-bixler syndrome Hiromitsu Hatakeyama (Hokkaido University, Japan) Poster Presentation 12 Day 4 Wednesday, April 16 11:0011:30 Annex 1!Annex 2 (1F) Trachea (basic science and education) Chair: Keiichi Ichimura (Jichi Medical University, Japan) E-P12-1 Tracheal regeneration using a collagen vitrigel sponge scaffold containing basic fibroblast growth factor Akiko Tani (Fukushima Medical University, Japan) E-P12-2 Regeneration of tracheal cartilage using bioengineered trachea with autologous chondrocytes Mika Nomoto (Fukushima Medical University School of Medicine, Japan) E-P12-3 Simulation-based training for rigid bronchoscopy Hideyuki Kataoka (Tottori University, Japan) E-P12-4 Swallowing training methods with immediate effect and simple Yoshihiro Iwata (Fujita Health University, Japan) E-P12-5 Withdrawn 85 WCBE NREM sleep and on supine!lateral positions in E-P11-2 Efficacy of adenotonsillectomy on REM! Poster Presentation 13 Day 4 Wednesday, April 16 11:3011:54 Annex 1!Annex 2 (1F) Dysphagia Chair: Hirohito Umeno (Kurume University School of Medicine, Japan) E-P13-1 Analysis of oral ingestion after surgical closure of the larynx: Prediction from pre-operative state Shingo Takano (National Center for Global Health and Medicine, Japan) E-P13-2 Analysis of postoperative swallowing after esophagectomy for esophageal cancer Makoto Miyamoto (Kansai Medical University, Japan) WCBE E-P13-3 Prognostic indicators for dysphagia in hospitalized patients Akihiro Kojima (Faculty of Medical Science, University of Fukui, Japan) E-P13-4 A simple evaluation method for videofluorography following treatment for head and neck cancer Yasushi Fujimoto (Nagoya University School of Medicine, Japan) Poster Presentation 14 Day 4 Wednesday, April 16 11:0011:24 Annex 1!Annex 2 (1F) Larynx 1 Chair: Masaki Furukawa (Yokohama City University Medical Center, Japan) E-P14-1 Evaluation of secondary shunt procedure for alaryngeal patients on an outpatient clinic Hiroshi Iwai (Takii Hospital, Kansai Medical University, Japan) E-P14-2 Too much fat in the vocal folds Etsuyo Tamura (Tokai University School of Medicine, Japan) E-P14-3 Analysis of high-speed imaging of vocal folds-A study of the effects of shooting speed has on the image analysisTomoyuki Takane (Nihon University, Japan) E-P14-4 3D measurement of paralyzed larynx using cone beam CT accuracy Haruna Yabe (Kawasaki Municipal Ida Hospital, Japan) Poster Presentation 15 Day 4 Wednesday, April 16 11:3011:54 Annex 1!Annex 2 (1F) Larynx 2 Chair: Yoshihiro Iwata (Fujita Health University, Japan) E-P15-1 A study of muscle atrophy after denervation in the rat laryngeal muscle Hirofumi Sei (Ehime University School of Medicine, Japan) E-P15-2 Electrical stimulation with an implanted device for vocal fold adduction in unilateral paralyzed larynx Kenichiro Nomura (Asahikawa Medical University, Japan) E-P15-3 The role of the cricopharyngeus muscle in pitch control Ki Hwan Hong (Chonbuk National University, Korea) 86 E-P15-4 Brain activity related to phonation in young patients with adductor spasmodic dysphonia Asanori Kiyuna (University of the Ryukyus, Japan) WCBE 87