HIDENORI TANAKA

Last Updated :2026/06/29

Affiliations, Positions
Endoscopy Center, Assistant Professor
E-mail
hitanakahiroshima-u.ac.jp

Basic Information

Educational Backgrounds

  • Hiroshima University, Graduate School of Biomedical & Health Sciences , Japan, 2017/04, 2021/03
  • Hiroshima University, School of Medicine, Japan, 2004/04, 2011/03

Academic Degrees

  • Hiroshima University

Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, Year, Clinical diagnosis and treatment I

Research Activities

Academic Papers

  1. Single-dose DSS-induced inflammation enhances colorectal tumorigenesis in APC and KRAS mutant mice, SCIENTIFIC REPORTS, 15(1), 20251124
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  2. Investigating tumor-infiltrating lymphocytes as predictors of lymph node metastasis in deep submucosal invasive esophageal squamous cell carcinoma: a retrospective cross-sectional study, JOURNAL OF GASTROENTEROLOGY, 60(11), 1362-1371, 202511
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  3. Endoscopic features differentiating non-Helicobacter pylori Helicobacter-induced gastric mucosa-associated lymphoid tissue lymphoma with a nodular gastritis-like appearance and H. pylori-induced conventional nodular gastritis, DIGESTIVE ENDOSCOPY, 37(9), 998-1009, 202509
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  4. Lymph node metastasis and treatment outcomes of endoscopic submucosal dissection for superficial spreading esophageal squamous cell carcinoma ≥ 50 mm in size, ESOPHAGUS, 22(4), 614-621, 202510
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  5. Anti-reflux barrier competency can be estimated by gastric folds stretching during intragastric insufflation without special equipment, ENDOSCOPY INTERNATIONAL OPEN, 13, 20250924
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  6. A Three-Way Comparison of Nodular Lesions in H. pylori- Induced Gastritis, Non- Helicobacter pylori Helicobacter (NHPH)-Induced Gastritis, and NHPH-Induced MALT Lymphoma Reveals Their Distinct Endoscopic Predictors: Distribution for Bacterial Etiology and Morphology for Malignancy, HELICOBACTER, 30(5), 20251014
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  7. Clinical utility of repeated IgH gene rearrangement testing for the diagnosis and surveillance of gastric MALT lymphoma, SCIENTIFIC REPORTS, 15(1), 20250827
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  8. Efficacy of Hybrid Endoscopic Submucosal Dissection to Ensure Adequate Submucosal Layer for T1b Colorectal Carcinomas of 20-30 mm in Diameter, JOURNAL OF THE ANUS RECTUM AND COLON, 9(3), 295-301, 2025
    Link to Paper Search Results by DOI
  9. Rectal Neuroendocrine Tumor With Non-Atypical Mucous Cell Glands: A Case Report, JGH OPEN, 9(7), 202507
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  10. Clinical Significance of Small-Bowel Mucosal Changes in Liver Cirrhosis Patients With Suspected Small-Bowel Bleeding: A Capsule Endoscopy Study, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 40(7), 1736-1744, 202507
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  11. Effectiveness of endoscopic submucosal dissection in the management of internal hemorrhoids: a retrospective cohort study, THERAPEUTIC ADVANCES IN GASTROENTEROLOGY, 18, 2025
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  12. Clinical Outcomes of Endoscopic Submucosal Dissection for Early Gastric Cancer Patients With Concurrent Advanced Malignancies With Expected Poor Prognosis, JGH OPEN, 9(7), 202507
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  13. Management of T1 Colorectal Cancer, DIGESTION, 106(2), 122-130, 202503
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  14. Efficiency of Real-time Computer-aided Polyp Detection during Surveillance Colonoscopy: A Pilot Study, JOURNAL OF THE ANUS RECTUM AND COLON, 9(1), 127-133, 2025
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  15. Clinical usefulness of hybrid endoscopic submucosal dissection for T1b colorectal carcinomas ≤20 mm to ensure adequate vertical margins, DEN OPEN, 5(1), 202504
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  16. A case of colon cancer implanted on endoscopic resection ulcer certified by cancer genomic testing, CLINICAL JOURNAL OF GASTROENTEROLOGY, 17(6), 1047-1052, 202412
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  17. A Proton Pump Inhibitor Independently Elevates Gastrin Levels as a Marker for Metachronous Gastric Cancer After Endoscopic Submucosal Dissection, JOURNAL OF CLINICAL MEDICINE, 13(21), 202411
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  18. Comparative prediction of lymph node metastasis in pT1 colorectal cancer among Western and Japanese guidelines, FRONTIERS IN ONCOLOGY, 14, 20241031
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  19. Clinicopathologic Features of Early Gastric Cancer after Heli-cobacter pylori Eradication in Japanese Patients: Comparative Study between Early (<10 Years) and Late (>10 Years) Onset, CANCERS, 16(18), 202409
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  20. Severe Refractory Diarrhea Associated with COVID-19: A Case Report, CASE REPORTS IN GASTROENTEROLOGY, 18(1), 318-326, 2024
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  21. Genetic Analysis of Biopsy Tissues from Colorectal Tumors in Patients with Ulcerative Colitis, CANCERS, 16(19), 202410
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  22. Predictive factors of portal hypertensive enteropathy exacerbations based on long-term outcomes, BMC GASTROENTEROLOGY, 24(1), 20240826
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  23. Comparative analyses of short- and long-term outcomes between endoscopic submucosal dissection and endoscopic laryngo-pharyngeal surgery for superficial pharyngeal carcinomas, DEN OPEN, 5(1), 202504
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  24. Vertical margin distance in T1 colorectal carcinoma resected by endoscopic submucosal dissection affects prognosis after additional surgery, INTERNATIONAL JOURNAL OF COLORECTAL DISEASE, 39(1), 20240816
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  25. Verrucous gastritis-like lesion in intramucosal Helicobacter pylori-uninfected signet ring cell carcinoma with poorly differentiated adenocarcinoma, CLINICAL JOURNAL OF GASTROENTEROLOGY, 17(3), 412-418, 202406
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  26. Analysis of anti-tumor effect and mechanism of GLS1 inhibitor CB-839 in colorectal cancer using a stroma-abundant tumor model, EXPERIMENTAL AND MOLECULAR PATHOLOGY, 137, 202406
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  27. Clinical usefulness and acceptability of small-bowel capsule endoscopy with panoramic imaging compared with axial imaging in Japanese patients, DEN OPEN, 5(1), 202504
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  28. Characteristics and Prognosis of Sporadic Neoplasias Detected in Patients with Ulcerative Colitis, DIGESTION, 105(3), 213-223, 202406
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  29. Usefulness and Educational Benefit of a Virtual Scale Endoscope in Measuring Colorectal Polyp Size, DIGESTION, 105(2), 73-80, 202404
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  30. Hybrid endoscopic submucosal dissection as a salvage option for difficult colorectal conventional endoscopic submucosal dissection, SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 38(1), 222-228, 202401
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  31. Clinical outcomes of endoscopic resection for rectal neuroendocrine tumors: Advantages of endoscopic submucosal resection with a ligation device compared to conventional EMR and ESD, DEN OPEN, 2(1), 202204
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  32. Efficacy of single-balloon overtube for endoscopic submucosal dissection in the proximal colon: A propensity score-matched analysis, DEN OPEN, 2(1), 202204
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  33. Long-term prognosis after endoscopic submucosal dissection for esophageal cancer in older adult patients, BMC GASTROENTEROLOGY, 24(1), 20240514
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  34. Clinicopathological and genomic features of superficial esophageal squamous cell carcinomas in nondrinker, nonsmoker females, CANCER MEDICINE, 13(4), 202402
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  35. Current Status of Diagnosis and Treatment of Colorectal Cancer in Asian Countries: A Questionnaire Survey, DIGESTION, 105(1), 62-68, 202401
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  36. Predictive factors for esophageal stenosis in patients receiving prophylactic steroid therapy after endoscopic submucosal dissection for esophageal squamous cell carcinoma, BMC GASTROENTEROLOGY, 24(1), 20240120
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  37. Long-term outcomes of patients with obscure gastrointestinal bleeding after negative capsule endoscopy, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 39(1), 165-171, 202401
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  38. Colonic invasive adenocarcinoma with squamoid morules: A case report, DEN OPEN, 4(1), 202404
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  39. Indications for Dental Floss Clip Traction During Gastric Endoscopic Submucosal Dissection by Less-Experienced Endoscopists, JOURNAL OF GASTRIC CANCER, 23(4), 512-522, 202310
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  40. Can underwater endoscopic mucosal resection be an alternative to conventional endoscopic mucosal resection for superficial non-ampullary duodenal epithelial tumors?, DEN OPEN, 4(1), 202404
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  41. Clinical outcomes of endoscopic submucosal dissection for large pedunculated colorectal carcinoma: A retrospective multicenter study, DEN OPEN, 4(1), 202404
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  42. Diagnostic and therapeutic strategies for colorectal tumor with positive muscle-retracting sign, DEN OPEN, 4(1), 202404
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  43. Endoscopic submucosal dissection for tumors involving the ileocecal valve with extension into the terminal ileum: a multicenter study from the Hiroshima GI Endoscopy Research Group, SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 37(2), 958-966, 202302
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  44. Endoscopic findings suggestive of a high risk of non-radical cure after definitive chemoradiotherapy for cT1bN0M0 esophageal squamous cell carcinoma, ESOPHAGUS, 20(3), 541-547, 202307
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  45. Efficacy of single-balloon overtube for endoscopic submucosal dissection in the proximal colon: A propensity score-matched analysis, DEN Open, 2, e58, 2022
  46. Development of multi-class computer-aided diagnostic systems using the NICE/JNET classifications for colorectal lesions, Journal of Gastroenterology and Hepatology, 37, 104-110, 2022
  47. Characteristics and Treatment Outcomes of Small-bowel Angioectasia in Systemic Sclerosis Patients: A Retrospective Observational Study, Internal Medicine, 61, 615-622, 2022
  48. Outcomes of endoscopic submucosal dissection in patients who develop metachronous superficial esophageal squamous cell carcinoma close to a post-endoscopic submucosal dissection scar, Esophagus, 20, 124-133, 2023
  49. Endoscopic submucosal dissection for tumors involving the ileocecal valve with extension into the terminal ileum: a multicenter study from the Hiroshima GI Endoscopy Research Group, Surgical Endoscopy, 37, 958-966, 2023
  50. Novel endoscopic ultrasonography classification for assured vertical resection margin (500 um) in colorectal endoscopic submucosal dissection, Journal of Gastroenterology and Hepatology, 37, 2289-2296, 2022
  51. Endoscopic sinusotomy using the small-ceramic-tip-insulated electrosurgical knife for chronic pouch sinus after ileal pouch anal anastomosis in ulcerative colitis: a case report, Endoscopy, 54, E728-E729, 2022
  52. Clinical outcomes of endoscopic resection for rectal neuroendocrine tumors: Advantages of endoscopic submucosal resection with a ligation device compared to conventional EMR and ESD, DEN Open, 2, e35, 2022
  53. Risk of Bleeding after Colorectal Endoscopic Resection in Patients with Continued Warfarin Use Compared to Heparin Replacement: A Propensity Score Matching Analysis, Gastroenterology Research and Practice, 9415387, 2021
  54. Endoscopic Delivery Method Using a Retrieval Net for Patients with Small-Bowel Capsule Endoscopy Stagnation in the Stomach, Gastroenterology Research and Practice, 3216193, 2021
  55. Long-term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged over 80 years, BMC Gastroenterology, 21, 324, 2021
  56. Salvage endoscopic submucosal dissection for local residual/recurrent colorectal tumor after endoscopic resection: Large multicenter 10-year study, Digestive Endoscopy, 33, 608-615, 2021
  57. Effect of educational lecture on the diagnostic accuracy of Japan NBI Expert Team classification for colorectal lesions, BMC Gastroenterology, 21, 110, 2021
  58. Long-Term Outcomes after Endoscopic Submucosal Dissection for Ulcerative Colitis-Associated Dysplasia, Digestion, 102, 205-215, 2021
  59. Clinical Features and Genomic Characterization of Post-Colonoscopy Colorectal cancer, Clinical and Translational Gastroenterology, 11, E246, 2020
  60. Clinical usefulness of the S-O clip during colorectal endoscopic submucosal dissection in difficult-to-access submucosal layer, Endoscopy International Open, 8, 437-444, 2020
  61. Can surveillance colonoscopy be discontinued in an elderly population with diminutive polyps?, Journal of the Anus, Rectum and Colon, 3, 128-135, 2019
  62. The utility of a novel colonoscope with retroflexion for colorectal endoscopic submucosal dissection, Endoscopy International Open, 7, 130-137, 2019
  63. Dual Red Imaging Maintains Clear Visibility During Colorectal Endoscopic Submucosal Dissection, Digestive Diseases and sciences, 64, 224-231, 2019
  64. Short-term outcomes of endoscopic submucosal dissection for superficial cecal tumors: a comparison between extension and nonextension into the appendiceal orifice, Therapeutic Advances in Gastroenterology, 11, 1-9, 2018
  65. Endoscopic hemostasis for spurting duodenal bleeding using dual red imaging., Digestive Endoscopy, 29(7), 816-817, 2017
  66. Efficacy of the specialized scissor-type knife for gastric endoscopic submucosal dissection: a propensity score matched retrospective study, ENDOSCOPY INTERNATIONAL OPEN, 11(04), E315-E321, 202304
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Publications such as books

  1. Atlas of Advanced Endoscopy, Early Colorectal Cancer (0-Is+IIc), Springer Nature, 2024, Contributor, Hidenori Tanaka, Shiro Oka

Invited Lecture, Oral Presentation, Poster Presentation

  1. Indications and Outcomes of Treatment for Abdominal Abscesses, Tanaka H, Oka S, 2025/11/14, With Invitation, English
  2. Indications and Outcomes of Treatment for Abdominal Abscesses, Tanaka H, Oka S., International Colorectal Research Summit 2025, 2025/08/29, With Invitation, English

Awards

  1. 2025, Digestive Endoscopy Best Reviwers Award