スタッフ紹介

講師桒谷 将城

Masaki Kuwatani

専門分野

内視鏡的診断・治療（膵・胆道領域）
化学療法（膵・胆道領域）

助教/副医局長　桒谷 将城

学歴

1998年3月
北海道大学医学部医学科卒業
2006年3月
北海道大学大学院医学研究科病態制御学専攻医学博士課程修了

職務経歴

1998年5月
北海道大学医学部附属病院内科　研修医
1999年4月
NTT東日本札幌病院循環器内科・消化器内科　医員
2000年4月
市立函館病院消化器科　医員
2001年4月
北海道厚生連網走厚生病院内科　医員
2003年4月
国立がんセンター リサーチレジデント
2005年4月
北海道大学病院第三内科　医員
2008年4月
北海道大学病院光学医療診療部　助教
2021年7月
北海道大学病院　消化器内科　講師
現在に至る

所属学会・資格

  • 日本内科学会　総合内科専門医　北海道支部幹事
  • 日本消化器病学会　専門医・指導医・支部評議員・学会評議員
  • 日本消化器内視鏡学会　専門医・指導医・支部評議員・学会評議員・非選挙社団評議員
  • 日本癌学会
  • 日本膵臓学会　指導医・学会評議員
  • 日本胆道学会　指導医・学会評議員

受賞歴・研究助成歴

  • 第102回日本消化器内視鏡学会北海道支部優秀演題賞
  • 第108回日本消化器内視鏡学会北海道支部優秀演題賞
  • 平成20年度　秋山記念生命科学振興財団研究助成
  • 平成22年度　内視鏡医学研究振興財団研究助成
  • 平成24～26年度　学術研究助成基金助成金　若手研究 (B)代表
  • Digestive Endoscopy Best Reviewers Award 2018
  • 平成31年度　内視鏡医学研究振興財団研究助成
  • 令和3年度, 令和4年度　AMED研究事業　分担者
  • Journal of Hepato-Biliary Pancreatic Sciences Best Reviewer Award 2021
  • 令和4年度　内視鏡医学研究振興財団研究助成
  • Digestive Endoscopy Best Reviewers Award 2022
  • Digestive Endoscopy Open Best Reviewers Award 2022
  • Journal of Hepato-Biliary Pancreatic Sciences Best Reviewer Award 2022
  • Digestive Endoscopy Best Reviewers Award 2023
  • Journal of Hepato-Biliary Pancreatic Sciences Best Reviewer Award 2023
  • 2021～23年度　国立研究開発法人日本医療研究開発機構　分担
  • 2023～25年度　学術研究助成基金助成金　基盤研究 (C)代表
  • 2024～26年度　学術研究助成基金助成金　基盤研究 (C)分担
  • 2024～26年度　国立研究開発法人日本医療研究開発機構　分担

趣味

スキー，旅行，お酒

好きな本

こころ（夏目漱石），遥かなるケンブリッジ（藤原正彦），フェルマーの最終定理（サイモン シン）

業績
（英文およびfirstのみ）

Reviews and Original article

  1. Kuwatani M, Sakamoto N.
    Promising Highly Targeted Therapies for Cholangiocarcinoma: A Review and Future Perspectives.
    Cancers (Basel). 2023 Jul 20;15(14):3686.
  2. Kuwatani M, Sakamoto N.
    Pathological and molecular diagnoses of early cancer with bile and pancreatic juice.
    Dig Endosc. 2022; 34(7):1340-1355.
  3. Kuwatani M, Kawakubo K, Sakamoto N.
    Promising Genomic Testing for Biliary Tract Cancer Using Endoscopic Ultrasound-Guided Fine-Needle Aspiration/Biopsy Specimens.
    Diagnostics (Basel). 2022 Apr 5;12(4):900. doi: 10.3390/diagnostics12040900.
  4. Kuwatani M, Sakamoto N.
    Clinical and Image Characteristics of IgG4-Related Sclerosing Cholecystitis.
    Diagnostics (Basel). 2021 Jul 28;11(8):1358.
  5. Kuwatani M, Kawakubo K, Sugimori K, Inoue H, Kamada H, Ishiwatari H, Kato S, Iwashita T, Yoshida M, Hashimoto S, Itonaga M, Mizukami Y, Nomura Y, Katanuma A, Sakamoto N.
    Trial protocol: a randomised controlled trial to verify the non-inferiority of a partially covered self-expandable metal stent to an uncovered self-expandable metal stent for biliary drainage during neoadjuvant therapy in patients with pancreatic cancer with obstructive jaundice (PUN-NAC trial).
    BMJ Open. 2021 Jul 8;11(7):e045698.
  6. Kuwatani M, Imamura M, Hayashi T, Yoshida M, Kimura Y, Asano T, Nakamura T, Motoya M, Yoshida M, Noji T, Okamura K, Takahashi K, Katanuma A, Hirano S; Hokkaido Pancreatic Cancer Study Group: HOPS.
    A drainage strategy for postoperative pancreatic fistula after left-sided pancreatectomy based on the wall status of collected fluid.
    Langenbecks Arch Surg. 2021 May;406(3):743-751.
  7. Kuwatani M, Kawakubo K, Sakamoto N.
    Possible reasons for the regrettable results of patency of an inside stent in endoscopic transpapillary biliary stenting.
    Dig Endosc. 2022;34(2):334-344.
  8. Kuwatani M, Kawakami H, Kubota Y, Kawakubo K, Ito YM, Togo S, Ikeda T, Kusama K, Kobayashi Y, Murata T, Sakamoto N.
    Verification of the effectiveness of fucosylated haptoglobin as a pancreatic cancer marker in clinical diagnosis.
    Pancreatology. 2019; 19:569-577.
  9. Kuwatani M, Kawakami H, Zen Y, Kawakubo K, Kudo T, Abe Y, Kubo K, Sakamoto N.
    Difference from bile duct cancer and relationship between bile duct wall thickness and serum IgG/IgG4 levels in IgG4-related sclerosing cholangitis.
    Hepatogastroenterology. 2014;61(135):1852-6.
  10. Kuwatani M, Kawakami H, Hayashi T, Eto K, Yamato H, Onodera M, Naruse H, Oba K.
    Effect of antispasmodic drugs on endoscopic ultrasound/endoscopic ultrasound-guided fine-needle aspiration: A multicenter randomized controlled trial.
    Endosc Ultrasound. 2014;3(3):167-73.
  11. Kuwatani M, Kawakami H, Hayashi T, Ishiwatari H, Kudo T, Yamato H, Ehira N, Haba S, Eto K, Kato M, Asaka M.
    Carbon dioxide insufflation during endoscopic retrograde cholangiopancreatography reduces bowel gas volume but does not affect visual analogue scale scores of suffering: a prospective, double-blind, randomized, controlled trial.
    Surg Endosc. 2011;25(12):3784-90.
  12. Kuwatani M, Kawakami H, Eto K, Haba S, Shiga T, Tamaki N, Asaka M.
    Modalities for evaluating chemotherapeutic efficacy and survival time in patients with advanced pancreatic cancer: comparison between FDG-PET, CT, and serum tumor markers.
    Intern Med. 2009;48(11):867-75.
  13. Kuwatani M, Ikarashi Y, Iizuka A, Kawakami C, Quinn G, Heike Y, Yoshida M, Asaka M, Takaue Y, Wakasugi H.
    Modulation of acute graft-versus-host disease and chimerism after adoptive transfer of in vitro-expanded invariant Valpha14 natural killer T cells.
    Immunol Lett. 2006;106:82-90.
  14. Kuwatani M, Ikarashi Y, Mineishi S, Asaka M, Wakasugi H.
    An irradiation-free nonmyeloablative bone marrow transplantation model: importance of the balance between donor T-cell number and the intensity of conditioning.
    Transplantation. 2005;80:1145-52.

Case report

  1. Kuwatani M, Nagai K, Takishin Y, Furukawa R, Hirata H, Kawakubo K, Sakamoto N.
    Endoscopic ultrasonography-guided pancreaticoduodenostomy with a lumen-apposing metal stent to treat main pancreatic duct dilatation.
    Endoscopy. 2022;54(3):E113-E114.
  2. Kuwatani M, Kato S, Sakamoto N.
    Direct recanalization of pancreaticogastrostomy obstruction with a forward-viewing echoendoscope.
    Dig Endosc. 2019 Jan;31(1):e18-e19.
  3. Kuwatani M, Kawamoto Y, Nakamura T.
    Eccentric Abscess Due to Bile Duct Microperforation Caused by Self-expandable Metal Stent and Neoadjuvant Chemoradiation.
    Clin Gastroenterol Hepatol. 2016; 14(5):A29-30.
  4. Kuwatani M, Kawakami H, Abe Y, Kawahata S, Kawakubo K, Kubo K, Sakamoto N.
    A unique use of a double-pigtail plastic stent: correction of kinking of the common bile duct due to a metal stent.
    Gut Liver. 2015; 9(2):251-2.
  5. Kuwatani M, Kawakami H, Haba S, Eto K, Onodera M, Asaka M.
    A wandering pancreatic mass.
    Intern Med. 2010; 49(6):627-8.
  6. Kuwatani M, Kawakami H, Yamada Y.
    Osteonecrosis and panniculitis as life-threatening signs.
    Clin Gastroenterol Hepatol. 2010; 8(5):e52-3.
  7. Kuwatani M, Kawakami H, Asaka M, Marukawa K, Matsuno Y, Hosaka M.
    Pancreatic metastasis from small cell carcinoma of the uterine cervix demonstrated by endoscopic ultrasonography-guided fine needle aspiration.
    Diagn Cytopathol. 2008; 36(11):840-2.
  8. Kuwatani M, Kawakami H, Makiyama H, Onodera M, Matsumoto K, Karasawa G, Asaka M.
    Autoimmune pancreatitis with retroperitoneal fibrosis which responded to steroid therapy but was complicated with refractory renal dysfunction.
    Intern Med. 2007; 46:1557-64.

Others

  1. Kuwatani M, Sakamoto N.
    Endoscopic treatment for hepaticojejunostomy anastomotic stricture: Advantages and disadvantages of balloon dilatation with stenting.
    Dig Endosc. 2022;34(3):462-463.
  2. Kuwatani M, Sakamoto N.
    Endoscopic Papillectomy for Adenocarcinoma at the Duodenal Papilla - Will It Still Open a Pandora's Box?
    Intern Med. 2021 Aug 15;60(16):2523-2524.
  3. Kuwatani M, Sakamoto N.
    Asymptomatic Choledocholithiasis that Causes a Dilemma between Treatment and Observation.
    JMA J. 2021 Apr 15;4(2):176-177.
  4. Kuwatani M, Sakamoto N.
    Angiogenic Dreaded Killer: Cholesterol Crystal Embolization.
    Intern Med. 2021 Mar 15;60(6):825-826.
  5. Kuwatani M, Nakamura T, Hayashi T, Kimura Y, Ono M, Motoya M, Imai K, Yamakita K, Goto T, Takahashi K, Maguchi H, Hirano S; Hokkaido Pancreatic Cancer Study Group (HOPS).
    Clinical Outcomes of Biliary Drainage during a Neoadjuvant Therapy for Pancreatic Cancer: Metal versus Plastic Stents.
    Gut Liver. 2020; 14:269-273.
  6. Kuwatani M, Sakamoto N.
    Evolution and a promising role of EUS-FNA in gene and future analyses.
    Endosc Ultrasound. 2020; 9:151-153.
  7. Kuwatani M, Kawakami H, Sakamoto N.
    Carbon dioxide insufflation for endoscopic retrograde cholangiopancreatography: is this beneficial for all patients?
    Dig Endosc. 2013; 25(2):205.
  8. Kuwatani M, Kawakami H, Kato M.
    Is intraductal papillary mucinous neoplasm really a risk factor of post-endoscopic retrograde cholangiopancreatography pancreatitis after pancreatic stenting?
    Intern Med. 2012; 51(10):1285.
  9. Kuwatani M, Ikarashi Y, Mineishi S, Asaka M, Wakasugi H.
    In response to transplantation 2006; 80: 1145-1152.
    (Letter to the editor) Transplantation. 2006; 81:1357-8.