Transurethral resection of bladder tumor with a new type of endoscope

• Project/Area Number: 26861272
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Urology
• Research Institution: Tottori University
• Principal Investigator: Morizane Shuichi 鳥取大学, 医学部附属病院, 講師 (50419496)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000); Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 膀胱腫瘍 / 内視鏡的粘膜下層剥離術 / ESD / 内視鏡的治療 / 組織回収袋

Outline of Final Research Achievements

We tried to perform the endoscopic submucosal dissection (ESD) procedure of gastroenterology for the resection of bladder tumor. Unfortunately, although there are many kinds of devices for ESD of the gastrointestinal tract, there are nothing with an insertion tube diameter of 2.0-mm or less. At first, We used the fiber bronchoscope. Although this fiber bronchoscope had a large channel, we considered that it was slightly hard to perform the operations as compared with flexible cystoscope.Finally, we evaluated the applicability of an ESD technique for en bloc bladder tumor resection with a dual channelized flexible cystoscope using an Impact Shooter for human male cadavers.
Transurethral ESD technique using a dual channelized flexible cystoscope was considered applicable for the small bladder tumors.

Research Products

• [Presentation] Transurethral en bloc resection of bladder tumor with a dual channelized flexible cystoscope using an Impact Shooter: Preliminary results in human cadavers embalmed by Thiel’s model. (2017)
  • Author(s): Shuichi Morizane, Toshihiro Maeda, Ryoma Nishikawa, Masashi Honda, Yuichiro Ikebuchi, Kazuya Matsumoto, Masaru Ueki, Naoya Masumori, Mineko Fujimiya, Atsushi Takenaka
  • Organizer: European Association of Urology annual Meeting 2017
  • Place of Presentation: ExCeL London (London , United Kingdom)
  • Year and Date: 2017-03-24
  • Int'l Joint Research