Koichiro Tsutsumi

  • 728 Citations
  • 13 h-Index
20072019
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Research Output 2007 2019

  • 728 Citations
  • 13 h-Index
  • 87 Article
  • 3 Comment/debate
  • 1 Review article
2019
1 Citation (Scopus)
Open Access
Endoscopic Ultrasound-Guided Fine Needle Aspiration
Cross-Over Studies
Prospective Studies
Light
Endosonography
2 Citations (Scopus)
Dilatation
Pathologic Constriction
Endoscopic Retrograde Cholangiopancreatography
Recurrence
Therapeutics
Endoscopes
Endoscopic Retrograde Cholangiopancreatography
Pancreaticoduodenectomy
Anatomy
Stomach
2018
2 Citations (Scopus)
Splenectomy
Spleen
Pancreatic Neoplasms
Endoscopic Ultrasound-Guided Fine Needle Aspiration
Colloids

Dipeptide γ-secretase inhibitor treatment enhances the anti-tumor effects of cisplatin against gastric cancer by suppressing cancer stem cell properties

Kato, R., Iwamuro, M., Shiraha, H., Horiguchi, S., Tanaka, E., Matsumoto, K., Ohyama, A., Sawahara, H., Nagahara, T., Uchida, D., Tsutsumi, K. & Okada, H., Oct 1 2018, In : Oncology Letters. 16, 4, p. 5426-5432 7 p.

Research output: Contribution to journalArticle

Amyloid Precursor Protein Secretases
Neoplastic Stem Cells
Dipeptides
Cisplatin
Stomach Neoplasms
Duodenal Obstruction
Pancreatic Neoplasms
Safety
Stents
Drug Therapy
7 Citations (Scopus)
Double-Balloon Enteroscopy
Dilatation
Pathologic Constriction
Retrospective Studies
Cholangitis
2017
1 Citation (Scopus)
Double-Balloon Enteroscopy
Bile Ducts
Hospitalization
Therapeutics
Tertiary Healthcare
1 Citation (Scopus)
Bezoars
Lithotripsy
Dilatation
2 Citations (Scopus)

Comparison of two fluoroscopic images to ensure efficient scope insertion for biliary intervention in patients with Roux-en-Y hepaticojejunostomy

Tsutsumi, K., Kato, H., Hirao, K., Mizukawa, S., Muro, S., Akimoto, Y., Uchida, D., Matsumoto, K., Tomoda, T., Horiguchi, S., Yabe, S., Seki, H., Noma, Y., Yamamoto, N., Harada, R., Ogawa, T. & Okada, H., Jun 30 2017, (Accepted/In press) In : Endoscopy.

Research output: Contribution to journalArticle

Roux-en-Y Anastomosis
Information Services
Endoscopic Retrograde Cholangiopancreatography
Registries
Head
7 Citations (Scopus)
Pancreatic Neoplasms
Tomography
Microvessels
Endoscopic Ultrasound-Guided Fine Needle Aspiration
Retrospective Studies
Cholecystitis
Gallbladder
Stents
Pathologic Constriction
Metals
Stents
Pathologic Constriction
Plastics
Equipment and Supplies
Catheters
1 Citation (Scopus)
Stents
Anatomy
Suction
Palliative Care
Therapeutics
5 Citations (Scopus)

Long-term outcomes and risk factors of biliary stent dysfunction after endoscopic double stenting for malignant biliary and duodenal obstructions

Matsumoto, K., Katou, H., Tsutsumi, K., Mizukawa, S., Yabe, S., Seki, H., Akimoto, Y., Uchida, D., Tomoda, T., Yamamoto, N., Horiguchi, S., Kuwaki, K. & Okada, H., 2017, (Accepted/In press) In : Digestive Endoscopy.

Research output: Contribution to journalArticle

Duodenal Obstruction
Stents
Survival
Odds Ratio
Gastric Outlet Obstruction
3 Citations (Scopus)

Predictive factors for outcomes of patients undergoing endoscopic therapy for bile leak after hepatobiliary surgery

Yabe, S., Katou, H., Mizukawa, S., Akimoto, Y., Uchida, D., Seki, H., Tomoda, T., Matsumoto, K., Yamamoto, N., Horiguchi, S., Tsutsumi, K. & Okada, H., May 1 2017, In : Digestive Endoscopy. 29, 3, p. 353-361 9 p.

Research output: Contribution to journalArticle

Bile
Endoscopic Retrograde Cholangiopancreatography
Therapeutics
Bile Ducts
Plastics
2 Citations (Scopus)

Promising therapeutic efficacy of a novel reduced expression in immortalized cells/dickkopf-3 expressing adenoviral vector for hepatocellular carcinoma

Sawahara, H., Shiraha, H., Uchida, D., Kato, H., Kato, R., Oyama, A., Nagahara, T., Iwamuro, M., Horiguchi, S., Tsutsumi, K., Mandai, M., Mimura, T., Wada, N., Takeuchi, Y., Kuwaki, K., Onishi, H., Nakamura, S., Watanabe, M., Sakaguchi, M., Takaki, A. & 5 others, Nouso, K., Yagi, T., Nasu, Y., Kumon, H. & Okada, H., Oct 1 2017, In : Journal of Gastroenterology and Hepatology (Australia). 32, 10, p. 1769-1777 9 p.

Research output: Contribution to journalArticle

Hepatocellular Carcinoma
Gene Expression
Therapeutics
Cell Line
Neoplasms
1 Citation (Scopus)
Stents
Gastric Outlet Obstruction
Therapeutics
Self Expandable Metallic Stents
Duodenum
Sutures
Anatomy
Gastrectomy
Pancreaticoduodenectomy
Endoscopic Retrograde Cholangiopancreatography
1 Citation (Scopus)
Stents
Stomach
Japan
Retrospective Studies
Safety
2 Citations (Scopus)

Usefulness of a newly designed plastic stent for endoscopic re-intervention in patients with malignant hilar biliary obstruction

Tomoda, T., Kato, H., Kawamoto, H., Muro, S., Akimoto, Y., Uchida, D., Matsumoto, K., Horiguchi, S., Tsutsumi, K. & Okada, H., Nov 1 2017, In : Endoscopy. 49, 11, p. 1087-1091 5 p.

Research output: Contribution to journalArticle

Plastics
Stents
Drainage
Metals
1 Citation (Scopus)
Double-Balloon Enteroscopy
Gastrectomy
13 Citations (Scopus)

Utility of serum DNA as a marker for KRAS mutations in pancreatic cancer tissue

Ako, S., Nouso, K., Kunugasa, H., Dohi, C., Matushita, H., Mizukawa, S., Muro, S., Akimoto, Y., Uchida, D., Tomoda, T., Matsumoto, K., Horiguchi, S., Tsutsumi, K., Katou, H. & Okada, H., Mar 1 2017, In : Pancreatology. 17, 2, p. 285-290 6 p.

Research output: Contribution to journalArticle

Pancreatic Neoplasms
Mutation
DNA
Serum
Neoplasms
2016
1 Citation (Scopus)
Diclofenac
Endoscopic Retrograde Cholangiopancreatography
Nitroglycerin
Pancreatitis
Anti-Inflammatory Agents

A precut fistulotomy technique for difficult biliary cannulation

Katou, H., Tsutsumi, K. & Okada, H., Apr 1 2016, In : Digestive Endoscopy. 28, p. 103 1 p.

Research output: Contribution to journalComment/debate

Biliary Fistula
Endoscopic Sphincterotomy
Catheterization
1 Citation (Scopus)
Endoscopic Ultrasound-Guided Fine Needle Aspiration
Biopsy
Needle Biopsy
Needles
Gages
2 Citations (Scopus)
Living Donors
Liver Transplantation
Pathologic Constriction
Recurrence
Stents
23 Citations (Scopus)

Contrast-enhanced harmonic endoscopic ultrasonography with time-intensity curve analysis for intraductal papillary mucinous neoplasms of the pancreas

Yamamoto, N., Katou, H., Tomoda, T., Matsumoto, K., Sakakihara, I., Noma, Y., Horiguchi, S., Harada, R., Tsutsumi, K., Hori, K., Tanaka, T., Okada, H. & De Yamamoto, K., Jan 1 2016, In : Endoscopy. 48, 1, p. 26-34 9 p.

Research output: Contribution to journalArticle

Endosonography
Pancreatic Neoplasms
Microvessels
Carcinoma
Neoplasms

Diagnosing pancreatic tumors using contrast-enhanced harmonic endoscopic ultrasonography with Sonazoid

Yamamoto, N., Katou, H., Mizukawa, S., Muro, S., Akimoto, Y., Uchida, D., Tomoda, T., Matsumoto, K., Horiguchi, S., Tsutsumi, K. & Okada, H., 2016, In : Acta Medica Okayama. 70, 4, p. 323-326 4 p.

Research output: Contribution to journalArticle

Ultrasonography
Endosonography
Tumors
Neoplasms
Hemodynamics
40 Citations (Scopus)
Cholangiography
Endoscopes
Multicenter Studies
Anatomy
Japan
6 Citations (Scopus)
Endoscopes
Therapeutics
Recurrence
Cholangitis
Cholangiography
2 Citations (Scopus)

Efficacy and safety of endoscopic ultrasound-guided ethanol ablation therapy for pancreatic neuroendocrine tumors

Matsumoto, K., Katou, H., Tsutsumi, K., Mizukawa, S., Yabe, S., Seki, H., Akimoto, Y., Uchida, D., Tomoda, T., Yamamoto, N., Horiguchi, S. & Okada, H., 2016, In : Acta Medica Okayama. 70, 4, p. 313-316 4 p.

Research output: Contribution to journalArticle

Neuroendocrine Tumors
Ablation
Tumors
Endosonography
Ethanol
1 Citation (Scopus)
Endosonography
Liver Transplantation
Drainage
Peritonitis
Stents
25 Citations (Scopus)

MIR 1246 and MIR-4644 in salivary exosome as potential biomarkers for pancreatobiliary tract cancer

Machida, T., Tomofuji, T., Maruyama, T., Yoneda, T., Ekuni, D., Azuma, T., Miyai, H., Mizuno, H., Katou, H., Tsutsumi, K., Uchida, D., Takaki, A., Okada, H. & Morita, M., Oct 1 2016, In : Oncology Reports. 36, 4, p. 2375-2381 7 p.

Research output: Contribution to journalArticle

Exosomes
Biomarkers
Neoplasms
MicroRNAs
Area Under Curve
5 Citations (Scopus)

Outcome of self-expandable metallic stent deployment in patients with malignant gastroduodenal outlet obstruction and Niti-S and WallFlex comparison: a multicenter retrospective clinical study

Katou, H., Kawamoto, H., Matsumoto, K., Moriyama, I., Kamada, H., Tsutsumi, K., Goto, D., Fukuba, N., Kato, K., Sonoyama, H., Isomoto, H. & Okada, H., Aug 1 2016, In : Journal of Digestive Diseases. 17, 8, p. 518-525 8 p.

Research output: Contribution to journalArticle

Stents
Retrospective Studies
Gastric Outlet Obstruction
Hemorrhage
Survival
8 Citations (Scopus)
Double-Balloon Enteroscopy
Living Donors
Liver Transplantation
Pathologic Constriction
Dilatation
5 Citations (Scopus)

Oxidative stress balance is dysregulated and represents an additional target for treating cholangiocarcinoma

Uchida, D., Takaki, A., Ishikawa, H., Tomono, Y., Katou, H., Tsutsumi, K., Tamaki, N., Maruyama, T., Tomofuji, T., Tsuzaki, R., Yasunaka, T., Koike, K., Matsushita, H., Ikeda, F., Miyake, Y., Shiraha, H., Nouso, K., Yoshida, R., Umeda, Y., Shinoura, S. & 6 others, Yagi, T., Fujiwara, T., Morita, M., Fukushima, M., Yamamoto, K. & Okada, H., Jul 2 2016, In : Free Radical Research. 50, 7, p. 732-743 12 p.

Research output: Contribution to journalArticle

Oxidative stress
Cholangiocarcinoma
Oxidative Stress
Chemotherapy
Carnitine
3 Citations (Scopus)

Pancreatic hepatoid carcinoma mimicking a solid pseudopapillary neoplasm: A challenging case on endoscopic ultrasound-guided fine-needle aspiration

Akimoto, Y., Katou, H., Matsumoto, K., Harada, R., Oda, S., Fushimi, S., Mizukawa, S., Yabe, S., Uchida, D., Seki, H., Tomoda, T., Yamamoto, N., Horiguchi, S., Tsutsumi, K., Yagi, T. & Okada, H., 2016, In : Internal Medicine. 55, 17, p. 2405-2411 7 p.

Research output: Contribution to journalArticle

Endoscopic Ultrasound-Guided Fine Needle Aspiration
Chromogranin A
Catenins
Neoplasms
Pancreatectomy

Pancreatitis due to radiolucent pancreatolithiasis mimicking gallstone pancreatitis

Tsutsumi, K., Katou, H. & Okada, H., 2016, In : Internal Medicine. 55, 15, p. 2109-2110 2 p.

Research output: Contribution to journalComment/debate

Endoscopic Retrograde Cholangiopancreatography
Gallstones
Pancreatitis
1 Citation (Scopus)

Time-dependent image changes after ethanol injection into the pancreas: An experimental study using a porcine model

Matsumoto, K., Katou, H., Tsutsumi, K., Fushimi, S., Iwamuro, M., Oda, S., Mizukawa, S., Akimoto, Y., Uchida, D., Tomoda, T., Yamamoto, N., Horiguchi, S. & Okada, H., Aug 15 2016, In : ecancermedicalscience. 10, 663.

Research output: Contribution to journalArticle

Pancreas
Ethanol
Swine
Injections
Tail
1 Citation (Scopus)

Tubular adenoma arising in a choledochocele

Tomoda, T., Katou, H., Tsutsumi, K., Tanaka, N. & Okada, H., Dec 1 2016, In : Gastrointestinal Endoscopy. 84, 6, p. 1066-1067 2 p.

Research output: Contribution to journalArticle

Common Bile Duct Neoplasms
Choledochal Cyst
Digestive System Endoscopy
Pancreaticoduodenectomy
Adenoma
2015
1 Citation (Scopus)

Alteration of serum N-glycan profile in patients with autoimmune pancreatitis

Tomoda, T., Nouso, K., Katou, H., Miyahara, K., Dohi, C., Morimoto, Y., Kunugasa, H., Akimoto, Y., Matsumoto, K., Yamamoto, N., Noma, Y., Horiguchi, S., Tsutsumi, K., Amano, M., Nishimura, S. I. & Yamamoto, K., 2015, (Accepted/In press) In : Pancreatology.

Research output: Contribution to journalArticle

Pancreatitis
Polysaccharides
Serum
Healthy Volunteers
Immunoglobulin G
2 Citations (Scopus)
Double-Balloon Enteroscopy
Roux-en-Y Anastomosis
Cholangitis
Endoscopic Retrograde Cholangiopancreatography
Cholestasis
107 Citations (Scopus)

Detection of K-ras gene mutation by liquid biopsy in patients with pancreatic cancer

Kunugasa, H., Nouso, K., Miyahara, K., Morimoto, Y., Dohi, C., Tsutsumi, K., Katou, H., Matsubara, T., Okada, H. & Yamamoto, K., Jul 1 2015, In : Cancer. 121, 13, p. 2271-2280 10 p.

Research output: Contribution to journalArticle

ras Genes
Pancreatic Neoplasms
Biopsy
Mutation
DNA
20 Citations (Scopus)

Double-balloon enteroscopy for choledochojejunal anastomotic stenosis after hepato-biliary-pancreatic operation

Sakakihara, I., Katou, H., Muro, S., Noma, Y., Yamamoto, N., Harada, R., Horiguchi, S., Tsutsumi, K., Okada, H., Yamamoto, K., Sadamori, H. & Yagi, T., Jan 1 2015, In : Digestive Endoscopy. 27, 1, p. 146-154 9 p.

Research output: Contribution to journalArticle

Double-Balloon Enteroscopy
Pathologic Constriction
Stents
Dilatation
Gastrointestinal Tract
3 Citations (Scopus)

Efficacy of endoscopic over 3-branched partial stent-in-stent drainage using self-expandable metallic stents in patients with unresectable hilar biliary carcinoma

Uchida, D., Katou, H., Muro, S., Noma, Y., Yamamoto, N., Horiguchi, S., Harada, R., Tsutsumi, K., Kawamoto, H., Okada, H. & Yamamoto, K., Jun 24 2015, In : Journal of Clinical Gastroenterology. 49, 6, p. 529-536 8 p.

Research output: Contribution to journalArticle

Stents
Drainage
Carcinoma
Pathologic Constriction
Survival
Pancreatic Fistula
Endosonography
Drainage
Pancreaticoduodenectomy
Pancreatic Ducts
8 Citations (Scopus)
Pancreaticoduodenectomy
Endoscopic Retrograde Cholangiopancreatography
Extremities
Unnecessary Procedures
Cholangitis
4 Citations (Scopus)

Prognostic value of altered N-glycosylation of circulating glycoproteins in patients with unresectable pancreatic cancer treated with gemcitabine

Miyahara, K., Nouso, K., Morimoto, Y., Kunugasa, H., Katou, H., Yamamoto, N., Tsutsumi, K., Kuwaki, K., Ohnishi, H., Ikeda, F., Nakamura, S., Shiraha, H., Takaki, A., Nakahara, T., Miura, Y., Asada, H., Amano, M., Nishimura, S. I. & Yamamoto, K., May 25 2015, In : Pancreas. 44, 4, p. 551-556 6 p.

Research output: Contribution to journalArticle

gemcitabine
Pancreatic Neoplasms
Glycosylation
Glycoproteins
Polysaccharides

Radical surgery after successful chemotherapy in a case of primary small cell carcinoma of the liver

Akimoto, Y., Tsutsumi, K., Kato, H., Hata, H., Sakae, H., Uchida, D., Tomoda, T., Matsumoto, K., Noma, Y., Yamamoto, N., Horiguchi, S., Harada, R., Okada, H., Yanai, H., Yagi, T. & Yamamoto, K., Nov 1 2015, In : Japanese Journal of Gastroenterology. 112, 11, p. 2024-2034 11 p.

Research output: Contribution to journalArticle

Small Cell Carcinoma
Drug Therapy
Gallbladder
Liver
Etoposide