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hypopharyngeal cancer ESD

Lianjun Di, Kuang-I Fu, Rui Xie, Xinglong Wu, Youfeng Li, Huichao Wu, Biguang Tuo
BACKGROUND: Adequate working space and a clear view for the dissected lesion are crucial for endoscopic submucosal dissection (ESD). Pharyngeal ESD requires that an otorhinolaryngologist creates working space by lifting the larynx with a curved laryngoscope. However, many countries do not have this kind of curved laryngoscope, and the devices could interfere with endoscope because of the narrow space of the pharynx. To overcome these issues, we used a transparent hood (Elastic Touch, slit and hole type, M (long), Top company, Tokyo Japan) instead of the curved laryngoscope to create adequate working space by pushing the larynx, and pharyngeal ESD could be done by gastroenterologists...
November 6, 2017: BMC Cancer
Takashi Kumamoto, Kazuhiro Sentani, Shiro Oka, Shinji Tanaka, Wataru Yasui
AIM: To evaluate the utility of magnified narrow-band imaging (NBI) endoscopy for diagnosing and treating minute pharyngeal neoplasia. METHODS: Magnified NBI gastrointestinal examinations were performed by the first author. A magnification hood was attached to the tip of the endoscope for quick focusing. Most of the examinations were performed under sedation. Magnified NBI examinations were performed for all of the pharyngeal lesions that had noticeable brownish areas under unmagnified NBI observation, and an intrapapillary capillary loop (IPCL) classification was made...
November 28, 2012: World Journal of Gastroenterology: WJG
Toshiro Iizuka, Daisuke Kikuchi, Shu Hoteya, Hidehiko Takeda, Mitsuru Kaise
BACKGROUND: Endoscopic submucosal dissection (ESD) can be used to perform resections en bloc for early-stage GI tumors. Pharyngeal ESD is less invasive, but technically difficult. Therefore, innovations to safely and easily perform this procedure are needed. OBJECTIVE: The aim of this study was to evaluate ESD under peroral countertraction, a new traction system for improving subepithelial cutting line visualization, compared with conventional ESD. DESIGN: Retrospective study...
November 2012: Gastrointestinal Endoscopy
T Iizuka, D Kikuchi, S Hoteya, M Nakamura, S Yamashita, T Mitani, H Takeda, N Yahagi
BACKGROUND AND STUDY AIMS: In previous series, endoscopic mucosal resection (EMR) has been used for the treatment of early-stage mesopharyngeal and hypopharyngeal cancers to preserve patients' quality of life. Endoscopic submucosal dissection (ESD) offers potential advantages in comparison to EMR. So the aim of this retrospective study was to assess the utility of ESD compared with EMR for early-stage cancers of the meso- and hypopharynx. PATIENTS AND METHODS: We studied 56 patients with 69 lesions who underwent either EMR or ESD between April 2001 and December 2008...
October 2011: Endoscopy
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