Koji Amaya

Toyama, Japan

Last Updated: 09/26/2026

Save publications for later

Sign Up

Not sure about your diagnosis?

Check Your Symptoms

Found 24 publications

Use of an Oral Nutritional Supplement Containing Calcium Beta-Hydroxy-Beta-Methylbutyrate (CaHMB), L-arginine, and L-glutamine May Have Helped Avoid Surgery That Could Have Led to Short Bowel Syndrome: A Case Report.

Use of an Oral Nutritional Supplement Containing Calcium Beta-Hydroxy-Beta-Methylbutyrate (CaHMB), L-arginine, and L-glutamine May Have Helped Avoid Surgery That Could Have Led to Short Bowel Syndrome: A Case Report.

Journal: Cureus

Published: July 09, 2026

The Clinicopathological Characteristics and Prognosis of Cholangiolocarcinoma: A Multicenter Study With a Central Pathology Review.

The Clinicopathological Characteristics and Prognosis of Cholangiolocarcinoma: A Multicenter Study With a Central Pathology Review.

Journal: Journal of hepato-biliary-pancreatic sciences

Published: March 10, 2026

Impact of TOPAZ-1 eligibility on the survival benefit of durvalumab plus gemcitabine-cisplatin in advanced biliary tract cancer: a multicenter real-world study.

Impact of TOPAZ-1 eligibility on the survival benefit of durvalumab plus gemcitabine-cisplatin in advanced biliary tract cancer: a multicenter real-world study.

Journal: Journal of gastroenterology

Published: February 20, 2026

Survival Outcomes of Gemcitabine-Cisplatin-S-1 Versus Gemcitabine-Cisplatin in Unresectable Biliary Tract Cancer: A Multicenter Retrospective Study With a Focus on Conversion Surgery.

Survival Outcomes of Gemcitabine-Cisplatin-S-1 Versus Gemcitabine-Cisplatin in Unresectable Biliary Tract Cancer: A Multicenter Retrospective Study With a Focus on Conversion Surgery.

Journal: Annals of gastroenterological surgery

Published: January 08, 2026

Prognostic Impact of Pancreatic Body/Tail Cancer Involving the Portal Vein: A Project Study of the Japanese Society of Hepato-Biliary-Pancreatic Surgery.

Prognostic Impact of Pancreatic Body/Tail Cancer Involving the Portal Vein: A Project Study of the Japanese Society of Hepato-Biliary-Pancreatic Surgery.

Journal: Journal of hepato-biliary-pancreatic sciences

Published: January 27, 2025

Robotic Distal Pancreatectomy for Adult Pancreatoblastoma with Tumor Extension to the Main Pancreatic Duct: A Case Report.

Robotic Distal Pancreatectomy for Adult Pancreatoblastoma with Tumor Extension to the Main Pancreatic Duct: A Case Report.

Journal: Surgical case reports

Published: January 23, 2025

Use of the Staple Line Reinforcement Tool to Reduce the Rate and Completely Avoid Anastomotic Leakage in Functional End-to-End Anastomosis.

Use of the Staple Line Reinforcement Tool to Reduce the Rate and Completely Avoid Anastomotic Leakage in Functional End-to-End Anastomosis.

Journal: Cureus

Published: August 20, 2024

Results of Surgical Treatment for Gastric Cancer in the Elderly Over 85 Years Old

Results of Surgical Treatment for Gastric Cancer in the Elderly Over 85 Years Old

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: March 18, 2024

A Case of Primary Somatostatin-Producing Tumor of the Duodenum with Liver Metastases with Long-Term Survival of More than 20 Years

A Case of Primary Somatostatin-Producing Tumor of the Duodenum with Liver Metastases with Long-Term Survival of More than 20 Years

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: February 02, 2024

A possible manifestation of pancreas divisum-pancreatic pseudocyst in an infant with no apparent history of pancreatitis: a case report.

A possible manifestation of pancreas divisum-pancreatic pseudocyst in an infant with no apparent history of pancreatitis: a case report.

Journal: Surgical case reports

Published: June 08, 2023

Proposal of nomograms to predict clinical outcomes in patients with ampulla of Vater cancer based on the Korea-Japan collaborative study.

Proposal of nomograms to predict clinical outcomes in patients with ampulla of Vater cancer based on the Korea-Japan collaborative study.

Journal: Journal of hepato-biliary-pancreatic sciences

Published: March 31, 2022

Laparoscopy Assisted Subtotal Gastrectomy(BillrothⅠ Reconstruction)for Gastric Cancer in the Upper Stomach-A Report of Three Cases

Laparoscopy Assisted Subtotal Gastrectomy(BillrothⅠ Reconstruction)for Gastric Cancer in the Upper Stomach-A Report of Three Cases

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: January 20, 2021

Showing 1-12 of 24

Last Updated: 09/26/2026