KENJIRO OKADA

Last Updated :2025/06/04

Affiliations, Positions
Hiroshima University Hospital(Medical), Assistant Professor
E-mail
kenokadahiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Hiroshima University

Affiliated Academic Societies

  • Japan Surgical Society
  • The Japanese Society of Gastroenterological Society
  • Japanese Society of Hepato-Biliary-Pancreatic Surgery
  • Japan Surgical Association
  • Japan Pancreas Society
  • Japan Biliary Association
  • Japan society for endoscopic surgery
  • Japan society for surgical infection

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, Intensive, Introduction to clinical clerkship

Research Activities

Academic Papers

  1. Prognostic impact of pre- and postoperative tumor markers in patients with intrahepatic cholangiocarcinoma, SURGERY TODAY, 54(2), 177-185, 202402
    Link to Paper Search Results by DOI
  2. Prognostic impact of peritoneal washing cytology in patients with biliary tract cancer, LANGENBECKS ARCHIVES OF SURGERY, 409(1), 20240122
    Link to Paper Search Results by DOI
  3. Increased plasma miR-370-3p expression in poor-outcome patients with pancreatic ductal adenocarcinoma, PANCREATOLOGY, 23(8), 996-1002, 202312
    Link to Paper Search Results by DOI
  4. Optimal Lymphadenectomy in Patients with Well-Differentiated Nonfunctioning Pancreatic Neuroendocrine Neoplasms, JOURNAL OF CLINICAL MEDICINE, 12(21), 202311
    Link to Paper Search Results by DOI
  5. Difficulty of adjuvant chemotherapy administration in patients with biliary tract cancer, LANGENBECKS ARCHIVES OF SURGERY, 408(1), 20231124
    Link to Paper Search Results by DOI
  6. Prognostic factor in patient with recurrent pancreatic adenocarcinoma, LANGENBECKS ARCHIVES OF SURGERY, 408(1), 20230902
    Link to Paper Search Results by DOI
  7. Surgical resection for liver recurrence after curative resection of pancreatic ductal adenocarcinoma, LANGENBECKS ARCHIVES OF SURGERY, 408(1), 20230717
    Link to Paper Search Results by DOI
  8. Prognostic impact of lung recurrence in patients with biliary tract cancer, LANGENBECKS ARCHIVES OF SURGERY, 408(1), 20230731
    Link to Paper Search Results by DOI
  9. Pathologic complete response following FOLFIRINOX and olaparib treatment for hepatic metastasized pancreatic ductal adenocarcinoma with a germline BRCA mutation, CLINICAL JOURNAL OF GASTROENTEROLOGY, 16(2), 283-288, 202304
    Link to Paper Search Results by DOI
  10. Identification of Preoperative Risk Factors for Poor Survival in Patients with Resectable Pancreatic Cancer Treated with Upfront Surgery, DIGESTIVE SURGERY, 38(5-6), 352-360, 2021
    Link to Paper Search Results by DOI
  11. Prognostic impact of postoperative infection in patients with pancreatic cancer: A multicenter cohort study, SURGERY, 172(6), 1768-1775, 202212
    Link to Paper Search Results by DOI
  12. Hepatic artery resection in distal cholangiocarcinoma, LANGENBECKS ARCHIVES OF SURGERY, 408(1), 20230123
    Link to Paper Search Results by DOI
  13. Impact of disintegrin and metalloproteinase domain-containing protein 12 on pancreatic ductal adenocarcinoma treated with surgical resection and perioperative chemotherapy, PANCREATOLOGY, 22(4), 479-487, 202205
    Link to Paper Search Results by DOI
  14. A case of unresectable locally advanced intrahepatic cholangiocarcinoma that achieved pathological complete response after gemcitabine and S1 chemotherapy, CLINICAL JOURNAL OF GASTROENTEROLOGY, 15(6), 1164-1168, 202212
    Link to Paper Search Results by DOI
  15. Clinicopathological features of gastric cancer after pancreaticoduodenectomy: reporting of three institutional cases and review of the global literature, LANGENBECKS ARCHIVES OF SURGERY, 407(6), 2259-2271, 202209
    Link to Paper Search Results by DOI
  16. Mesenteric approach in pancreas-preserving partial duodenectomy for aortic graft-duodenal fistula: a case report, CLINICAL JOURNAL OF GASTROENTEROLOGY, 15(5), 920-923, 202210
    Link to Paper Search Results by DOI
  17. Optimal lymph-node dissection for pancreatic tail cancer, SURGERY TODAY, 52(9), 1307-1312, 202209
    Link to Paper Search Results by DOI
  18. Prognosis following an extended duration of adjuvant gemcitabine plus S-1 chemotherapy in patients with pancreatic ductal adenocarcinoma: Analysis using inverse probability of treatment weighting, JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES, 29(8), 911-921, 202208
    Link to Paper Search Results by DOI
  19. Preoperative risk factors for positivity of peritoneal lavage cytology in patients with pancreatic ductal adenocarcinoma in the era of neoadjuvant therapy, PANCREATOLOGY, 22(5), 583-589, 202206
    Link to Paper Search Results by DOI
  20. Long-term survival after distal pancreatectomy with celiac axis resection and hepatic artery reconstruction in the setting of locally advanced unresectable pancreatic cancer, CLINICAL JOURNAL OF GASTROENTEROLOGY, 15(3), 635-641, 202206
    Link to Paper Search Results by DOI
  21. Neoadjuvant therapy contributes to nodal downstaging of pancreatic cancer, LANGENBECKS ARCHIVES OF SURGERY, 407(2), 623-632, 202203
    Link to Paper Search Results by DOI
  22. A phase II study of gemcitabine/nab-paclitaxel/S-1 combination neoadjuvant chemotherapy for patients with borderline resectable pancreatic cancer with arterial contact, EUROPEAN JOURNAL OF CANCER, 159, 215-223, 202112
    Link to Paper Search Results by DOI
  23. Increased clostridium difficile infection in the era of preoperative chemotherapy for pancreatic cancer, PANCREATOLOGY, 22(2), 258-263, 202203
    Link to Paper Search Results by DOI
  24. Prognostic Significance of Lymph Node Metastasis and Micrometastasis Along the Left Side of Superior Mesenteric Artery in Pancreatic Head Cancer, Journal of Gastrointestinal Surgery, 23(10), 2100-2109
  25. Prognostic Significance of Lymph Node Metastasis and Micrometastasis Along the Left Side of Superior Mesenteric Artery in Pancreatic Head Cancer, JOURNAL OF GASTROINTESTINAL SURGERY, 23(10), 2100-2109, 201910
    Link to Paper Search Results by DOI
  26. Reappraisal of the validity of surgery for patients with pancreatic cancer aged 80 years or older stratified by resectability status, JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES, 27(2), 64-74, 202002
    Link to Paper Search Results by DOI
  27. Superior Mesenteric Artery Plexus-Preserving Pancreatoduodenectomy with Circumferential Dissection of Lymph Nodes, JOURNAL OF GASTROINTESTINAL SURGERY, 24(7), 1712-1719, 202007
    Link to Paper Search Results by DOI
  28. Immunohistological evaluation of mismatch repair deficiency in pancreatic ductal adenocarcinoma treated with surgical resection, JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES, 27(7), 421-428, 202007
    Link to Paper Search Results by DOI
  29. Neoadjuvant therapy for pancreatic cancer: an intention-to-treat analysis, LANGENBECKS ARCHIVES OF SURGERY, 405(5), 623-633, 202008
    Link to Paper Search Results by DOI
  30. Flooring the Major Vessels with Falciform Ligament to Prevent Post-Pancreatectomy Hemorrhage, WORLD JOURNAL OF SURGERY, 44(10), 3478-3485, 202010
    Link to Paper Search Results by DOI
  31. Clinical characteristics of initial recurrence in lung after surgical resection for pancreatic ductal adenocarcinoma, PANCREATOLOGY, 20(7), 1472-1478, 202010
    Link to Paper Search Results by DOI
  32. New surgical technique for pancreatic lithotripsy without coring-out, CLINICAL JOURNAL OF GASTROENTEROLOGY, 13(6), 1343-1346, 202012
    Link to Paper Search Results by DOI
  33. Prognostic significance of dissecting the nerve plexus around the common hepatic artery in pancreatic cancer, LANGENBECKS ARCHIVES OF SURGERY, 406(3), 679-689, 202105
    Link to Paper Search Results by DOI
  34. Clinical Implications of Pre- and Postoperative Circulating Tumor DNA in Patients with Resected Pancreatic Ductal Adenocarcinoma, ANNALS OF SURGICAL ONCOLOGY, 28(6), 3135-3144, 202106
    Link to Paper Search Results by DOI
  35. Survival impact of distal pancreatectomy with en bloc celiac axis resection combined with neoadjuvant chemotherapy for borderline resectable or locally advanced pancreatic body carcinoma, PANCREATOLOGY, 21(3), 564-572, 202104
    Link to Paper Search Results by DOI
  36. Preoperative risk factors for para-aortic lymph node positivity in pancreatic cancer, PANCREATOLOGY, 21(3), 606-612, 202104
    Link to Paper Search Results by DOI
  37. The prognostic impact of peritoneal washing cytology for otherwise resectable extrahepatic cholangiocarcinoma patients, SURGERY TODAY, 51(7), 1227-1231, 202107
    Link to Paper Search Results by DOI
  38. Is surgery justified for elderly patients with extrahepatic cholangiocarcinoma? Reappraisal from a viewpoint of comorbidity and organ function, SURGERY TODAY, 51(11), 1787-1794, 202111
    Link to Paper Search Results by DOI
  39. Treatment of multiple huge liver cysts in a hybrid operating room: a case report, SURGICAL CASE REPORTS, 7(1), 20211029
    Link to Paper Search Results by DOI
  40. Prognostic Value of Peritoneal Lavage Cytology in Patients with Pancreatic Ductal Adenocarcinoma Stratified by the Resectability Status, JOURNAL OF GASTROINTESTINAL SURGERY, 25(11), 2871-2880, 202111
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. Prognostic impact of metastasis and micrometastasis in para-aortic lymph nodes and lymph nodes along the left side of the superior mesenteric artery in pancreatic cancer, Okada K, Murakami Y, Uemura K, Kondo N, Nakagawa N, Takahashi S and Sueda T, Pancreas club, 2018, Without Invitation, English, Washington, DC
  2. Prognostic significance of lymph node metastasis along the left side of superior mesenteric artery in pancreatic head cancer, Okada K, Murakami Y, Uemura K, Kondo N, Nakagawa N, Seo S, Takahashi S and Sueda T, SSAT, DDW in 2018, 2018, Without Invitation, English, Washington, DC
  3. Significance of complete resection of nerve plexus around common hepatic artery in pancreatic ductal adenocarcinoma, Okada K, Murakami Y, Uemura K, Kondo N, Nakagawa N, Seo S, Takahashi S and Sueda T, Pancreas club, 2019, Without Invitation, English, San Diego, CA
  4. Long-term results of patients with pancreaticobiliary maljunction who underwent extrahepatic bile duct resection encompassing the gallbladder, Okada K, Murakami Y, Uemura K, Kondo N, Nakagawa N, Seo S, Takahashi S and Sueda T, Meeting of Japanese Society of Hepato-Biliary-Pancreatic Surgery, 2018, Without Invitation, English, Yokohama
  5. Identification of good candidates for preoperative therapy in resectable pancreatic cancer, Okada K, Murakmi Y, Uemura K, Kondo N, Nakagawa N, Seo S, Takahashi S and Sueda T, Annual Congress of Japan Surgical Association, 2018, Without Invitation, English, Tokyo
  6. Combined arterial resection in pancreatoduodenectomy for locally advanced pancreatic cancer, Okada K, Murakami Y, Uemura K, Kondo N, Nakagawa N, Seo S, Takahashi S and Sueda T, Annual Congress of Japan Surgical Society, 2019, Without Invitation, English, Osaka
  7. The ability of fat absorption, nutritional status, and fatty liver after total pancreatectomy -significance of pancreatic enzyme replacement therapy-, Okada K, Murakami Y, Uemura K, Kondo N, Nakagawa N, Seo S, Takahashi S and Sueda T, Meeting of Japanese Society of Hepato-Biliary-Pancreatic Surgery, 2019, Without Invitation, English, Kagawa