Toru Hiyama

Last Updated :2026/05/11

Affiliations, Positions
Health Service Center, Professor
E-mail
tohiyamahiroshima-u.ac.jp
Other Contact Details
HEALTH SERVICE CENTER, HIROSHIMA UNIVERSITY, 1-7-1, KAGAMIYAMA, HIGASHIHIROSHIMA 739-8521, JAPAN, Japan
TEL : (+81)82-424-6191 FAX : (+81)82-422-7156
Self-introduction
I am conducting research and social activities related to gastrointestinal cancer screening and medical risk management.

Basic Information

Major Professional Backgrounds

  • 2002/10/01, 2007/03/31, Hiroshima University, Health Service Center, Research Assistant
  • 1991/06/01, 1993/03/30, Hiroshima University, Medical Hospital, Resident
  • 1999/04/01, 2002/09/30, National Sanatorium Kamo Hospital, Department of Internal Medicine, Medical Doctor
  • 1993/04/01, 1996/03, Miyoshi Medical Association Hospital, Department of Internal Medicine, Medical Doctor
  • 2007/04/01, 2012/05/30, Hiroshima University, Health Service Center, Research associate
  • 2012/06/01, 2021/03/31, Hiroshima University, Health Service Center, Associate Professor
  • 2021/04/01, Hiroshima University, Health Service Center, Professor

Educational Backgrounds

  • Hiroshima University, Graduate School, Division of Medical Sciences, Japan, 1996/04, 1999/03
  • Hiroshima University, Faculty of Medicine, Japan, 1985/04, 1991/03

Academic Degrees

  • Doctor of Philosophy in Medical Science, Hiroshima University

Research Fields

  • Medicine,dentistry, and pharmacy;Clinical internal medicine;Gastroenterology

Research Keywords

  • medical risk management
  • health Service of university
  • gastrointestinal endoscopy

Affiliated Academic Societies

Educational Activity

Course in Charge

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

Research Activities

Academic Papers

  1. A Case of Primary Gastric T-cell Malignant Lymphoma., Gastroenterol Endosc, 39(11), 2272-2278, 19971120
  2. Factors participating in recovery processes of eating disorders, 29, 1-6, 201303
  3. Vaccination of hepatitis B for medical students, 29, 45-49, 201303
  4. Feasibility of clinical application of stool DNA/RNA marker for screening of colon cancer : A review of English literatures, 29, 93-100, 201303
  5. University students' understanding of social anxiety disorder. , 30, 1-6, 20140301
  6. Attitudes and Behavior toward COVID-19 Vaccination in Japanese University Students: A Cross-Sectional Study, VACCINES, 10(6), 202206
    Link to Paper Search Results by DOI
  7. Screening and surveillance for gastric cancer: Does family history play an important role in shaping our strategy?, ASIA-PACIFIC JOURNAL OF CLINICAL ONCOLOGY, 18(4), 353-362, 202208
    Link to Paper Search Results by DOI
  8. Diagnostic Accuracy of H. pylori Status by Conventional Endoscopy: Time-Trend Change After Eradication and Impact of Endoscopic Image Quality, FRONTIERS IN MEDICINE, 8, 20220128
    Link to Paper Search Results by DOI
  9. Clinical validity of endoscopic submucosal dissection for submucosal invasive gastric cancer: a single-center study, Gastric Cancer, 15(1), 97-105, 2012
    Link to Paper Search Results by DOI
  10. Clinical features of pharyngeal intraepithelial neoplasias and outcomes of treatment by endoscopic submucosal dissection, Gastrointest Endosc, 76(6), 1095-1103, 2012
    Link to Paper Search Results by DOI
  11. Relationship between Endoscopic and Histologic Gastric Atrophy and Intestinal Metaplasia, HELICOBACTER, 18(2), 151-157, 2013
    Link to Paper Search Results by DOI
  12. Outcome of endoscopic submucosal dissection for gastric neoplasm in relationship to endoscopic classification of submucosal fibrosis, Gastric Cancer, 16(3), 404-410, 2013
    Link to Paper Search Results by DOI
  13. In situ mRNA hybridization technique for analysis of human telomerase RNA in gastric precancerous and cancerous lesions, Japanese Journal of Cancer Research, 89(11), 1187-1194, 19980401
  14. Overexpression of human telomerase RNA is an early event in oesophageal carcinogenesis., Virchows arch, 434, 483-7, 19990401
  15. B-cell monoclonality inHelicobacter pylori-associated chronic atrophic gastritis., Virchows arch, 438, 232-7, 20010401
  16. Helicobacter pylori eradication therapy for high-grade mucosa-associated lymphoid tissue lymphomas of the stomach with analysis of p53 and K-ras alteration and microsatellite instability., Int J Oncol, 18, 1207-12, 20010401
  17. Cell proliferation in polypoid type and superficial type serrated adenomas of the colorectum., In Recent Advances in Gastroenterological Carcinogenesis= Monduzzi Editore= Bologna, I, 773-778, 19960401
  18. Alteration of p73 preferentialy occur in gastric adenocarcinomas with foveolar epithelial phenotype., Int J Cancer, 83, 192-196, 19990401
  19. Eradication therapy of Helicobacter pylori for low-grade mucosa-associated lymphoid tisue lymphomas of the stomach., Exp.Oncol., 22, 78-81, 20000401
  20. c-myc gene mutation in gastric mucosa-associated lymphoid tissue (MALT) lymphoma and diffuse large B-cell lymphoma., Oncol.Rep., 8, 289-292, 20010401
  21. Microsatellite instability at D18S61 is associated with no regression of gastric mucosa-associated lymphoid tissue lymphoma after Helicobacter pylori eradication, Oncol.Rep., 8, 293-297, 20010401
  22. Human telomerase reverse transcriptase, p53 and Ki-67 expression and apoptosis in colorectal serrated adenoma., Scand. J. Gastroenterol., 37, 1194-1200, 20020401
  23. Nodular gastritis in adults is caused by Heliccobacter pylori infection., Dig Dis Sci, 48, 968-975, 20030401
  24. Frequnet loss of heterozygosity onchromosome 10p15, a putative telomerase repressor･senescence gene locus, in gastric cancer., Oncol.Rep., 10, 1297-1299, 20030401
  25. Clinicopathological features of gastric mucosa-associated lymphoid tissue lymphoma: A comparison with diffuse large B-cell lymphoma without a mucosa-associated lymphoid tissue lymphoma component, J Gastroen Hepatol, 16, 734-739, 20010401
  26. K-ras mutation in helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer., Int J Cancer, 97, 562-566, 20020401
  27. p53 codon 72 polymorphism in gastric cancer susceptibility in patients with Helicobacter pylori-associated chronic gastritis., Int J Cancer, 100, 304-308, 20020401
  28. Minute depressed colon cancer with submucosal invasion., Gastrointest Endosc, 57, 564-565, 20030401
  29. Hypoxia-inducible factor-1alpha expression and angiogenesis in gastrointestinal stromal tumor of the stomach., Oncol.Rep., 10, 797-802, 20030401
  30. Somatic mutation of mitochondrial DNA in Helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer., Int. J. Mol. Med., 12, 169-174, 20030401
  31. Clinicopathologic features and endoscopic resection of early primary nonampullary duodenal carcinoma, J.Clin.Gastroenterol., 37(5), 381-386, 20030401
  32. p53 expression, K-ras gene mutation and microsatellite instability in gastric B-cell lymphomas, J Gastroeterol Hepatol, 18(9), 1047-1053, 20030401
  33. Somatic mutation of mitochondrial DNA in Helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer, Int. J. Mol. Med., 12(2), 169-174, 20030401
  34. Clinical significance of thrombospondin-1 expression in relation to vascular endothelial growth factor and interleukin-10 expression at the deepest invasive tumor site of advanced colorectal carcinoma., Int J Oncol, 23, 901-911, 20030401
  35. Clinical significance of Fhit expression in development of colorectal carcinoma of various macroscopic types., Int. J. Mol. Med., 12, 437-442, 20030401
  36. Prevalence of Helicobacter pylori resistance to clarithromycin and metronidazole determined by 23S ribosomal RNA and rdxA gene analyses in Hiroshima, Japan., J Gastroenterol Hepatol., 18, 1202-1207, 20030401
  37. Somatic mutation in mitochondrial DNA and nuclear microsatellite instability in gastric cancer, Oncol.Rep., 10, 1837-1841, 20030401
  38. Necessity of multiple gastric biopsies from different sites for detection of clarithromycin-resistant Helicobacter pylori strains., Scand. J. Gastroenterol., 38, 942-946, 20030401
  39. Expression of human telomerase reverse transcriptase mRNA in esophageal cancers and precancerous lesions., Oncol.Rep., 11, 51-55, 20040401
  40. A combination of the Helicobacter pylori stool antigen test and urea breath test is useful for clinical evaluation of eradication therapy: a multicenter study, J Gastroenterol Hepatol, 20, 1241-1245, 20050801
  41. Characteristics and trends of clarithromycin-resistant Helicobacter pylori isolates in Japan over a decade, Pathobiology, 71, 159-163, 20040901
  42. Chromosomal and microsatellite instability in sporadic gastric cancer, J Gastroenterol Hepatol, 19, 756-760, 20040501
  43. Clinical significance of angiopoietin-2 expression at the deepest invasive tumor site of advanced colorectal carcinoma, Int J Oncol, 24, 539-547, 20040201
  44. Clinicopathologic and endoscopic features of colorectal serrated adenoma:differences between polypoid and superficial types, Gastrointest Endosc, 59(2), 213-219, 20040201
  45. Clinicopathologic and genetic characteristics of gastric cancer in young male and female patients, Oncol Rep, 16(1), 11-15, 20060501
  46. Clinicopathologic features and endoscopic resection of early primary nonampullary duodenal carcinoma, J Clin Gastroenterol, 37(5), 381-386, 20040501
  47. Defensive medicine practices among gastroenterologists in Japan, World J Gastroenterol, 12(47), 7671-7675, 20061201
  48. Frequent loss of heterozygosity on chromosome 10p14-p15 in esophageal dysplasia and squamous cell carcinoma, Oncol Rep, 12, 333-337, 20040401
  49. Genetic progression and divergence in superficial esophageal squamous cell carcinoma by loss of heterozygosity analysis, Oncol Rep, 16, 685-691, 20061201
  50. Immunohistochemical molecular markers as predictors of curability of endoscopically resected submucosal colorectal cancer, World J Gastroenterol, 13(28), 3829-3835, 20070101
  51. Involvement of Kr?ppel-like factor 6 (KLF6) mutation in the development of nonpolypoid colorectal carcinoma, World J Gastroenterol, 13(29), 3932-3938, 20070801
  52. Loss of heterozygosity on chromosome 10p14-p15 in colorectal carcinoma, Pathobiology, 72, 220-224, 20050901
  53. Lymphatic vessel density at the site of deepest penetration as a predictor of lymph node metastasis in submucosal colorectal cancer, Dis Colon Rectum, 50(1), 13-21, 20060101
  54. Medical malpractice litigation related to gastrointestinal endoscopy in Japan: A two-decade review of civil court cases, World J Gastroenterol, 12(42), 6857-6860, 20061201
  55. Lymphatic vessel density at the site of deepest penetration as a predictor of lymph node metastasis in submucosal colorectal cancer, Dis Colon Rectum, 50(1), 13-21, 20070601
  56. Reduction in gastric cancer mortality by screening based on serum pepsinogen concentration: A case-control study, Scand J Gastroenterol, 42, 760-764, 20070601
  57. Genetic polymorphisms and esophageal cancer risk, Int J Cancer, 121, 1643-1658, 20070801
  58. Meta-analysis of the effects of prokinetic agents in patients with functional dyspepsia, J Gastroenterol Hepatol, 22, 304-310, 20070301
  59. Treatment of functional dyspepsia with serotonin agonists: a meta-analysis of randomized controlled trials, J Gastroenterol Hepatol, 22, 1566-1570, 20071001
  60. Rapid progression of Epstein -Barr-virus-positive gastric diffuse large B-cell lymphoma during chemoradiotherapy: a case report, Clin J Gastroenterol, 1, 105-109, 20081218
  61. Strategy for treatment of nonerosive reflux disease in Asia, World J Gastroenterol, 14(20), 3123-3128, 20080724
  62. Genetic polymorphisms and head and neck cancer risk (Review), Int J Oncol, 32, 945-973, 20080430
  63. Antibodies to Helicobacter pylori and CagA protein are associated with the response to antibacterial therapy in patients with H. pylori-positive API2-MALT1-negative gastric MALT lymphoma, Cancer Sci, 100(6), 1075-1081, 20091001
  64. Cheilitis granulomatosa as an early manifestation of Crohn's disease, Clin J Gastroenterol, 2, 190-193, 20091001
  65. ★, Trend in Japanese malpractice litigation involving gastrointestinal endoscopy, Am J Gastroenterol, 104(1), 251-252, 20090101
  66. Characteristics of esophageal squamous cell carcinomas and lugol-voiding lesions in patients with head and neck squamous cell carcinoma, J Clin Gastroenterol, 44(2), e27-33, 2010
  67. Synchronous and subsequent lesions of serrated adenomas and tubular adenomas of the colorectum, Pathobiology, 77(5), 273-277, 2010
  68. Diagnostic yield of capsule endoscopy vs. double-balloon endoscopy for patients who have undergone total enteroscopy with obscure gastrointestinal bleeding, Hepatogastroenterology, 59(116), 955-959, 2011
  69. ★, Change in malpractice claims in Japanese gastroenterological practice, Am J Gastroenterol, 107(1), 143-144, 2012
  70. Compliance with standard precautions among gastrointestinal endoscopists and andendoscopy nurses in Japan, Am J Infect Control, 40(1), 80, 2012
  71. Removal of a sewing needle penetrating the wall of the third portion of the duodenum by double- balloon endoscopy, Clin J Gastroenterol, 5(1), 79-81, 2012
  72. Microsatellite instability is a genetic marker for the development of multiple gastric cancers., Int J Cancer., 95(6), 350-353, 20011101
  73. High incidence of B-cell monoclonality in follicular gastritis: a possible association between follicular gastritis and MALT lymphoma., Virchows Arch., 440(4), 376-380, 20020401
  74. Somatic mutations of mitochondrial DNA in digestive tract cancers., J Gastroenterol Hepatol., 20(11), 1679-1684, 20051101
  75. Nuclear and mitochondrial DNA microsatellite instability in gastrointestinal stromal tumors., Pathobiology., 73(2), 93-97, 20060901
  76. Immunohistochemical molecular markers as predictors of curability of endoscopically resected submucosal colorectal cancer., World J Gastroenterol., 13(28), 3829-3835, 20070701
  77. Clinicopathologic features of Japanese hyperplastic/serrated polyposis syndrome, J Gastroenterol Hepatol, 28(11), 1693-1698, 2013
  78. Clinical outcomes of endoscopic submucosal dissection for superficial Barrett's adenocarcinoma, Gastrointest Endosc, 80(2), 239-245, 2014
  79. Involvement of Kruppel-like factor 6 (KLF6) mutation in the development of nonpolypoid colorectal carcinoma, WORLD JOURNAL OF GASTROENTEROLOGY, 13(29), 3932-3938, 20070807
    Link to Paper Search Results by DOI
  80. Metachronous multiple esophageal squamous cell carcinomas and Lugol-voiding lesions after endoscopic mucosal resection, ENDOSCOPY, 41(4), 304-309, 200904
    Link to Paper Search Results by DOI
  81. Meta-analysis used to identify factors associated with the effectiveness of proton pump inhibitors against non-erosive reflux disease, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 24(8), 1326-1332, 200908
    Link to Paper Search Results by DOI
  82. Natural Course of Lugol-Voiding Lesions in Patients with Superficial Esophageal Squamous Cell Carcinoma, Digestion, 82(1), 60-65, 2010
    Link to Paper Search Results by DOI
  83. Advantages of endoscopic submucosal dissection versus endoscopic oblique aspiration mucosectomy for superficial esophageal tumors, J Gastroenterol Hepatol, 26(2), 275-280, 2011
    Link to Paper Search Results by DOI
  84. Genetic pathways of multiple esophageal squamous cell carcinomas, Oncol Rep, 25(2), 453-459, 2011
    Link to Paper Search Results by DOI
  85. Prevalence and impact of musculoskeletal pain in Japanese gastrointestinal endoscopists: A controlled study, World J Gastroetnerol, 17(11), 1488-1493, 2011
    Link to Paper Search Results by DOI
  86. Value of a new stick-type rapid urine test for the diagnosis of Helicobacter pylori infection in the Vietnamese population, World J Gastroenterol, 20(17), 5087-5091, 2014
    Link to Paper Search Results by DOI
  87. Differences in K-ras and mitochondrial DNA mutations and microsatellite instability between colorectal cancers of Vietnamese and Japanese patients, BMC Gastroenterol, 14, 203, 2014
    Link to Paper Search Results by DOI
  88. Rate of unintended Helicobacter pylori eradication in the Vietnamese, Helicobacter, 20, 156-157, 2015
  89. The number of criminal prosecutions of physicians for medical negligence related to gastroenterology is on the rise in Japan, Scand J Gastroenterol, 50(5), 619-620, 2015
  90. Causes of delayed diagnoses of cancers in Japan from the viewpoint of malpractice litigations, Dig Liver Dis, 48, 687-691, 2016
  91. Interobserver and intraobserver agreement for gastric mucosa atrophy, BMC Gastroenterol, 15, 95, 2015
  92. The performance of a modified Glasgow Blatchford Score in predicting clinical interventions in patients with acute nonvariceal upper gastrointestinal bleeding: a Vietnamese prospective multi center cohort study, Gut Liver, 10(3), 375-381, 2016
  93. Long-term prognosis after endoscopic submucosal dissection for early gastric cancer in super-elderly patients, Surg Endosc Other Interevent Tech, 30(10), 4321-4329, 2016
    Link to Paper Search Results by DOI
  94. Risk factors for esophageal stenosis after entire circumferential endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma, Surg Endosc Other Inetervent Tec, 30(9), 4049-4056, 2016
    Link to Paper Search Results by DOI
  95. Early diagnosis of Helicobacter pylori infection in Vietnamese patients with acute peptic ulcer bleeding: a prospective study, Gastroenterol Res Pract, 2017, 3845067, 2017
  96. Clinical usefulness of the VS classification system using magnifying endoscopy with blue laser imaging for early gastric cancer, Gastroenterol Res Pract, 2017, 3649705, 2017
  97. Asia-Pacific Colorectal Screening score: A useful tool to stratify risk for colorectal advanced neoplasms in Vietnamese patients with irritable bowel syndrome, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 33(1), 150-155, 201801
    Link to Paper Search Results by DOI
  98. Abnormal Gastroesophageal Flap Valve Is Associated With High Gastresophageal Reflux Disease Questionnaire Score and the Severity of Gastroesophageal Reflux Disease in Vietnamese Patients With Upper Gastrointestinal Symptoms, JOURNAL OF NEUROGASTROENTEROLOGY AND MOTILITY, 24(2), 226-232, 201804
    Link to Paper Search Results by DOI
  99. Evaluation of the visibility of early gastric cancer using linked color imaging and blue laser imaging, BMC GASTROENTEROLOGY, 17, 20171208
    Link to Paper Search Results by DOI
  100. Curative Criteria After Endoscopic Resection for Superficial Esophageal Squamous Cell Carcinomas, DIGESTIVE DISEASES AND SCIENCES, 63(6), 1605-1612, 201806
    Link to Paper Search Results by DOI
  101. The Distribution of Incomplete Gastric Intestinal Metaplasia (GIM) Subtype among Biopsy Sites according to the Updated Sydney System and Its Association with GIM Extension, GASTROENTEROLOGY RESEARCH AND PRACTICE, 2018
    Link to Paper Search Results by DOI
  102. Diagnosis of superficial esophageal squamous cell carcinoma invasion depth before endoscopic submucosal dissection, DISEASES OF THE ESOPHAGUS, 31(7), 201807
    Link to Paper Search Results by DOI
  103. Magnifying Endoscopy with Narrow Band Imaging in Estimating the Invasion Depth of Superficial Esophageal Squamous Cell Carcinomas, DIGESTION, 98(4), 249-256, 2018
    Link to Paper Search Results by DOI
  104. The endoscopic and clfinicopathologic characteristics of early-onset gastric cancer in Vietnamese patients, Asian Pacific Journal of Cancer Prevention, 19(7), 1883-1886, 2018
  105. Medical malpractice litigation pertaining to intestinal obstruction in Japan: 20-year review of civil court cases, Cogent Medicine, 5, 1529847, 2018
  106. Identifying high-risk individuals for gastric cancer surveillance rom western and eastern perspectives: lessons to learn and possibility to develop an integrated approach for daily practice, World Journal of Gastroenterology, 25(27), 3546-3562, 2019
  107. Otorhinolaryngology litigations in Japan, European Archives of Otorhinolaryngology, in printing, 2019
  108. Use of endoscopic assessment of gastric atrophy for gastric cancer risk stratification to reduce the need for gastric mapping, SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY, 55(4), 402-407, 20200402
    Link to Paper Search Results by DOI
  109. Age Cutoff and Yield of Prompt Esophagogastroduodenoscopy to Detect Malignancy in Vietnamese with Upper Gastrointestinal Symptoms: An Endoscopic Database Review of 472,744 Patients from 2014 to 2019, CANADIAN JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 2021, 20211211
    Link to Paper Search Results by DOI
  110. DNA Replication Errors in Four Familial Gastric Cancers., 40(11), 1986-1991, 19981120
  111. A Case of Inflammatory Myoglandular Polyp of the Rectum., 40(11), 2010-2014, 19981120
  112. 1. Epidemiology of Colorectal and Rectum Cancer, Nihon Naika Gakkai Kaishi, 96(2), 200-206, 20070210
  113. 1. Epidemiology of Colorectal and Rectum Cancer, Nihon Naika Gakkai Kaishi, 96(2), 200-206, 20070210
  114. 1. Epidemiology of Colorectal and Rectum Cancer, Nihon Naika Gakkai Kaishi, 96(2), 200-206, 20070210
  115. Risk management in mass screenings using esophagogastroduodenoscopy, based on an analysis of judicial precedents in Japan's civil court cases, GASTRIC CANCER, 45(3), 317-322, 20070515
  116. Risk management in mass screenings using esophagogastroduodenoscopy, based on an analysis of judicial precedents in Japan's civil court cases, GASTRIC CANCER, 45(3), 317-322, 20070515
  117. Risk management in mass screenings using esophagogastroduodenoscopy, based on an analysis of judicial precedents in Japan's civil court cases, GASTRIC CANCER, 45(3), 317-322, 20070515
  118. Metachronous multiple esophageal squamous cell carcinomas and Lugol-voiding lesions after endoscopic mucosal resection, Endoscopy, 41(4), 304-309, 2009
  119. Metachronous multiple esophageal squamous cell carcinomas and Lugol-voiding lesions after endoscopic mucosal resection, Endoscopy, 41(4), 304-309, 2009
  120. Metachronous multiple esophageal squamous cell carcinomas and Lugol-voiding lesions after endoscopic mucosal resection, Endoscopy, 41(4), 304-309, 2009
  121. A Case of Inflammatory Myoglandular Polyp of the Rectum., Gastroenterological Endoscopy, 40(11), 2010-2014, 1998
  122. A Case of Inflammatory Myoglandular Polyp of the Rectum., Gastroenterological Endoscopy, 40(11), 2010-2014, 1998
  123. A Case of Inflammatory Myoglandular Polyp of the Rectum., Gastroenterological Endoscopy, 40(11), 2010-2014, 1998
  124. DNA Replication Errors in Four Familial Gastric Cancers., Gastroenterological Endoscopy, 40(11), 1986-1991, 1998
  125. DNA Replication Errors in Four Familial Gastric Cancers., Gastroenterological Endoscopy, 40(11), 1986-1991, 1998
  126. DNA Replication Errors in Four Familial Gastric Cancers., Gastroenterological Endoscopy, 40(11), 1986-1991, 1998
  127. Rare complications of esophagogastroduodenoscopy (EGD)-Systematic review of the English literature-, GASTRIC CANCER, 49(3), 393-400, 2011
  128. Rare complications of esophagogastroduodenoscopy (EGD)-Systematic review of the English literature-, GASTRIC CANCER, 49(3), 393-400, 2011
  129. Rare complications of esophagogastroduodenoscopy (EGD)-Systematic review of the English literature-, GASTRIC CANCER, 49(3), 393-400, 2011
  130. Plasma osteopontin as a clinical test, Bulletin of general health research,Hiroshima University Health Service Center., 24, 45-48, 200803
  131. Gastric cancer screening by serum pepsinogen, Japanese journal of clinical medicine, 66(0), 625-629, 200807
  132. Gastric cancer screening by serum pepsinogen, Japanese journal of clinical medicine, 66(0), 625-629, 200807
  133. Gastric cancer screening by serum pepsinogen, Japanese journal of clinical medicine, 66(0), 625-629, 200807
  134. Annual change of medical examination and treatment at Health Service Center, Bulletin of general health research,Hiroshima University Health Service Center., 25, 43-47, 200903
  135. Annual change of medical examination and treatment at Health Service Center, Bulletin of general health research,Hiroshima University Health Service Center., 25, 43-47, 200903
  136. Annual change of medical examination and treatment at Health Service Center, Bulletin of general health research,Hiroshima University Health Service Center., 25, 43-47, 200903
  137. Health management and infectious diseases in university, Bulletin of general health research,Hiroshima University Health Service Center., 26, 35-42, 201003
  138. Health management and infectious diseases in university, Bulletin of general health research,Hiroshima University Health Service Center., 26, 35-42, 201003
  139. Health management and infectious diseases in university, Bulletin of general health research,Hiroshima University Health Service Center., 26, 35-42, 201003
  140. Diseases under treatment in freshmen of Hiroshima University: from the results of individual interview, Bulletin of general health research,Hiroshima University Health Service Center., 26, 59-64, 201003
  141. Diseases under treatment in freshmen of Hiroshima University: from the results of individual interview, Bulletin of general health research,Hiroshima University Health Service Center., 26, 59-64, 201003
  142. Diseases under treatment in freshmen of Hiroshima University: from the results of individual interview, Bulletin of general health research,Hiroshima University Health Service Center., 26, 59-64, 201003
  143. Prevalence of irritable bowel syndrome among university students: systemic review of literatures, Bulletin of general health research,Hiroshima University Health Service Center., 26, 79-83, 201003
  144. Prevalence of irritable bowel syndrome among university students: systemic review of literatures, Bulletin of general health research,Hiroshima University Health Service Center., 26, 79-83, 201003
  145. Prevalence of irritable bowel syndrome among university students: systemic review of literatures, Bulletin of general health research,Hiroshima University Health Service Center., 26, 79-83, 201003
  146. A reactivity prediction for an eradication therapy of Helicobacter pylori-positive API2-MALT1-negative gastric MALT-lymphoma, Gastroenterology, 51(2), 107-113, 201008
  147. A reactivity prediction for an eradication therapy of Helicobacter pylori-positive API2-MALT1-negative gastric MALT-lymphoma, Gastroenterology, 51(2), 107-113, 201008
  148. A reactivity prediction for an eradication therapy of Helicobacter pylori-positive API2-MALT1-negative gastric MALT-lymphoma, Gastroenterology, 51(2), 107-113, 201008
  149. Rare complications of esophagogastroduodenoscopy (EGD): systematic review of the English literature, Journal of gastroenterological cancer screening, 49(3), 393-400, 201105
  150. Rare complications of esophagogastroduodenoscopy (EGD): systematic review of the English literature, Journal of gastroenterological cancer screening, 49(3), 393-400, 201105
  151. Rare complications of esophagogastroduodenoscopy (EGD): systematic review of the English literature, Journal of gastroenterological cancer screening, 49(3), 393-400, 201105
  152. Strategy and status of cancer screening in Japanese population and university staffs, 28, 29-33, 201203
  153. Strategy and status of cancer screening in Japanese population and university staffs, 28, 29-33, 201203
  154. Strategy and status of cancer screening in Japanese population and university staffs, 28, 29-33, 201203
  155. Sex education in university (4th report) Summary of "Love and Sexuality Course", 28, 51-59, 201203
  156. Sex education in university (4th report) Summary of "Love and Sexuality Course", 28, 51-59, 201203
  157. Sex education in university (4th report) Summary of "Love and Sexuality Course", 28, 51-59, 201203
  158. Risk management in endoscopic gastric screening : review of news articles and litigation cases, 17(3), 197-203, 201003
  159. Risk management in endoscopic gastric screening : review of news articles and litigation cases, 17(3), 197-203, 201003
  160. Risk management in endoscopic gastric screening : review of news articles and litigation cases, 17(3), 197-203, 201003
  161. Plasma osteopontin as a clinical test, Bulletin of general health research,Hiroshima University Health Service Center., 24, 45-48, 200803
  162. Plasma osteopontin as a clinical test, Bulletin of general health research,Hiroshima University Health Service Center., 24, 45-48, 200803

Invited Lecture, Oral Presentation, Poster Presentation

  1. Tips for detecting gastric cancer after H. pylori eradication, Toru HIYAMA, Vietnamese Gastrointestinal Endoscopy Congress 2025, 2025/04/19, With Invitation, English, Can Tho, Vietnam
  2. Diagnosis of early stages of esophageal cancers in Japan, Toru Hiyama, Vietnamese Gastrointestinal Congress 2024, 2024/04/20, With Invitation, English

Social Activities

History as Peer Reviews of Academic Papers

  1. 2016, Gastric Cancer, Editor
  2. 2015, Journal of Gastroenterology, Editor
  3. 2014, Journal of Gastroenterology, Editor
  4. 2013, Journal of Gastroenterology, Editor
  5. 2012, Journal of Gastroenterology, Editor
  6. 2011, Journal of Gastroenterology, Editor
  7. 2010, Journal of Gastroenterology, Editor