T. Hiyama

发表

Clinical validity of endoscopic submucosal dissection for submucosal invasive gastric cancer: a single-center study

K. Chayama, K. Arihiro, S. Oka, 2011, Gastric Cancer.

Prevalence and impact of musculoskeletal pain in Japanese gastrointestinal endoscopists: a controlled study.

K. Chayama, Shinji Tanaka, M. Yoshihara, 2011, World journal of gastroenterology.

Immunohistochemical molecular markers as predictors of curability of endoscopically resected submucosal colorectal cancer.

K. Chayama, K. Arihiro, S. Oka, 2007, World journal of gastroenterology.

Reduction in gastric cancer mortality by screening based on serum pepsinogen concentration: A case-control study

K. Haruma, Shinji Tanaka, S. Yoshida, 2007, Scandinavian journal of gastroenterology.

Identifying high-risk individuals for gastric cancer surveillance from western and eastern perspectives: Lessons to learn and possibility to develop an integrated approach for daily practice

T. Gotoda, T. Hiyama, D. Quach, 2019, World journal of gastroenterology.

p53 expression, K‐ras gene mutation and microsatellite instability in gastric B‐cell lymphomas

K. Chayama, K. Haruma, Shinji Tanaka, 2003, Journal of gastroenterology and hepatology.

p53 Codon 72 polymorphism in gastric cancer susceptibility in patients with Helicobacter pylori‐associated chronic gastritis

K. Chayama, K. Haruma, Shinji Tanaka, 2002, International journal of cancer.

Infliximab Therapy for Crohn’s Disease in a Patient with Chronic Hepatitis B

K. Chayama, Shinji Tanaka, Y. Kitadai, 2005, Digestive Diseases and Sciences.

Clinicopathologic features of hyperplastic/serrated polyposis syndrome in Japan

K. Chayama, K. Arihiro, S. Oka, 2013, Journal of gastroenterology and hepatology.

Clinicopathologic and genetic characteristics of gastric cancer in young male and female patients.

K. Chayama, W. Yasui, Shinji Tanaka, 2006, Oncology reports.

Overexpression of human telomerase RNA is an early event in oesophageal carcinogenesis

K. Haruma, H. Yokozaki, W. Yasui, 1999, Virchows Archiv.

Differences in K-ras and mitochondrial DNA mutations and microsatellite instability between colorectal cancers of Vietnamese and Japanese patients

K. Chayama, K. Arihiro, S. Oka, 2014, BMC Gastroenterology.

広島大学学術情報リポジトリ Hiroshima University Institutional Repository Title Differences in Kras and mitochondrial DNA mutations and microsatellite instability between colorectal cancers of Vietnamese and Japanese patients

K. Chayama, K. Arihiro, S. Oka, 2022 .

ANALYSIS OF JUDICIAL DECISIONS OF CRIMINAL LIABILITY AGAINST MEDICAL STAFFS IN CASES RELATED TO DIGESTIVE ENDOSCOPY

K. Chayama, Shinji Tanaka, M. Yoshihara, 2007 .

Hypoxia-inducible factor-1alpha expression and angiogenesis in gastrointestinal stromal tumor of the stomach.

K. Chayama, K. Haruma, Shinji Tanaka, 2003, Oncology reports.

Frequent p53 gene mutations in serrated adenomas of the colorectum

K. Haruma, H. Yokozaki, W. Yasui, 1998, The Journal of pathology.

Clinicopathologic Features and Endoscopic Resection of Early Primary Nonampullary Duodenal Carcinoma

K. Chayama, K. Haruma, S. Oka, 2003, Journal of clinical gastroenterology.

A water-soluble extract from culture medium of Ganoderma lucidum mycelia suppresses the development of colorectal adenomas.

K. Chayama, S. Oka, Shinji Tanaka, 2010, Hiroshima journal of medical sciences.

Changes in cardiovascular risk factors over a 24-year follow-up period: a Japanese pediatric cohort study.

M. Yoshihara, M. Horie, T. Hiyama, 2012, Hiroshima journal of medical sciences.

The Endoscopic and Clinicopathological Characteristics of Early-onset Gastric Cancer in Vietnamese Patients

T. Hiyama, D. Quach, D. Ha, 2018, Asian Pacific journal of cancer prevention : APJCP.

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

K. Chayama, K. Haruma, S. Tanaka, 2001, Journal of gastroenterology and hepatology.

K‐ras mutation in helicobacter pylori‐associated chronic gastritis in patients with and without gastric cancer

K. Chayama, K. Haruma, Shinji Tanaka, 2002, International journal of cancer.

Chromosomal and microsatellite instability in sporadic gastric cancer

K. Chayama, K. Haruma, W. Yasui, 2004, Journal of gastroenterology and hepatology.

Clinical significance of Fhit expression in development of colorectal carcinoma of various macroscopic types.

K. Chayama, K. Haruma, Shinji Tanaka, 2003, International journal of molecular medicine.

Somatic mutations of mitochondrial DNA in digestive tract cancers

K. Chayama, W. Yasui, Shinji Tanaka, 2005, Journal of gastroenterology and hepatology.

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

K. Chayama, Shinji Tanaka, Y. Kitadai, 2009, Cancer science.

Genetic progression and divergence in superficial esophageal squamous cell carcinoma by loss of heterozygosity analysis.

K. Chayama, K. Arihiro, Shinji Tanaka, 2006, Oncology reports.

Attitudes and Behavior toward COVID-19 Vaccination in Japanese University Students: A Cross-Sectional Study

A. Yoshino, J. Tanaka, Y. Okamoto, 2022, Vaccines.

Effectiveness of prokinetic agents against diseases external to the gastrointestinal tract

K. Chayama, K. Haruma, Shinji Tanaka, 2009, Journal of gastroenterology and hepatology.

Natural Course of Lugol-Voiding Lesions in Patients with Superficial Esophageal Squamous Cell Carcinoma

K. Chayama, K. Arihiro, S. Oka, 2010, Digestion.

Medical Malpractice Litigation in Gastroenterological Practice in Japan: A 22-Yr Review of Civil Court Cases

K. Chayama, Shinji Tanaka, M. Yoshihara, 2006, The American Journal of Gastroenterology.

CLINICOPATHOLOGIC ANALYSIS OF NINE CASESWITH SMALL ADVANCED COLORECTAL CARCINOMAS LESS THAN 10 mm IN MAXIMUM DIAMETER

K. Haruma, Shinji Tanaka, Y. Kitadai, 1999 .

ERADICATION THERAPY OF HELICOBACTER PYLORI FOR LOW-GRADE MUCOSA-ASSOCIATED LYMPHOID TISSUE LYMPHOMAS OF THE STOMACH

K. Haruma, S. Tanaka, Y. Kitadai, 2022 .

Medical malpractice litigation pertaining to intestinal obstruction in Japan: 20-year review of civil court cases

M. Yoshihara, T. Hiyama, 2018 .

Clinical significance of angiopoietin-2 expression at the deepest invasive tumor site of advanced colorectal carcinoma.

K. Chayama, K. Haruma, S. Oka, 2004, International journal of oncology.

New occupational threats to Japanese physicians: karoshi (death due to overwork) and karojisatsu (suicide due to overwork)

T. Hiyama, M. Yoshihara, 2008, Occupational and Environmental Medicine.

Can examination of genetic polymorphism be used for gastric cancer screening? : a review of previous meta-analytic research

K. Chayama, Shinji Tanaka, M. Yoshihara, 2009 .

In situ mRNA Hybridization Technique for Analysis of Human Telomerase RNA in Gastric Precancerous and Cancerous Lesions

K. Haruma, T. Ide, H. Yokozaki, 1998, Japanese journal of cancer research : Gann.

Clinicopathologic and endoscopic features of colorectal serrated adenoma: differences between polypoid and superficial types.

K. Chayama, K. Haruma, S. Oka, 2004, Gastrointestinal endoscopy.

Is a booster dose of COVID-19 vaccines effective on newly dominant omicron subvariants among university students? Comparison between BA.1 and BA.2 dominancy

Yukiko Nakano, A. Yoshino, Y. Okamoto, 2022, American Journal of Infection Control.

Expression of human telomerase reverse transcriptase mRNA in esophageal cancers and precancerous lesions.

K. Chayama, K. Haruma, Shinji Tanaka, 2004, Oncology reports.

A CASE GF PRIMARY GASTRIC T-CELL MALIGNANT LYMPHUMA

K. Haruma, F. Shimamoto, G. Kajiyama, 1997 .

Prevalence of Helicobacter pylori resistance to clarithromycin and metronidazole determined by 23S ribosomal RNA and rdxA gene analyses in Hiroshima, Japan

K. Chayama, K. Haruma, Shinji Tanaka, 2003, Journal of gastroenterology and hepatology.

Meta‐analysis of the effects of prokinetic agents in patients with functional dyspepsia

K. Chayama, K. Matsuo, K. Haruma, 2007, Journal of gastroenterology and hepatology.

Alterations of p73 preferentially occur in gastric adenocarcinomas with foveolar epithelial phenotype

H. Yokozaki, W. Yasui, E. Tahara, 1999, International journal of cancer.

Strategy for treatment of nonerosive reflux disease in Asia.

K. Chayama, K. Haruma, Shinji Tanaka, 2008, World journal of gastroenterology.

High incidence of B-cell monoclonality in follicular gastritis: a possible association between follicular gastritis and MALT lymphoma

K. Chayama, K. Haruma, Kazuhiko Inoue, 2002, Virchows Archiv.

B-Cell monoclonality in Helicobacter pylori-associated chronic atrophic gastritis

K. Haruma, Y. Kitadai, F. Shimamoto, 2001, Virchows Archiv.

Clinical Usefulness of the VS Classification System Using Magnifying Endoscopy with Blue Laser Imaging for Early Gastric Cancer

K. Chayama, S. Oka, Shinji Tanaka, 2017, Gastroenterology research and practice.

Evaluation of the visibility of early gastric cancer using linked color imaging and blue laser imaging

K. Chayama, S. Oka, Shinji Tanaka, 2017, BMC Gastroenterology.

Risk factors for esophageal stenosis after entire circumferential endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma

K. Chayama, S. Oka, Shinji Tanaka, 2016, Surgical Endoscopy.

Outcome of endoscopic submucosal dissection for gastric neoplasm in relationship to endoscopic classification of submucosal fibrosis

K. Chayama, K. Arihiro, S. Oka, 2013, Gastric Cancer.

Magnifying Endoscopy with Narrow Band Imaging in Estimating the Invasion Depth of Superficial Esophageal Squamous Cell Carcinomas

K. Chayama, K. Arihiro, S. Oka, 2018, Digestion.

Advantages of endoscopic submucosal dissection versus endoscopic oblique aspiration mucosectomy for superficial esophageal tumors

K. Chayama, K. Arihiro, Shinji Tanaka, 2011, Journal of gastroenterology and hepatology.

Clinical features of pharyngeal intraepithelial neoplasias and outcomes of treatment by endoscopic submucosal dissection.

K. Chayama, K. Arihiro, S. Oka, 2012, Gastrointestinal endoscopy.

Clinical outcomes of endoscopic submucosal dissection for superficial Barrett's adenocarcinoma.

K. Chayama, K. Arihiro, S. Oka, 2014, Gastrointestinal endoscopy.

Long-term prognosis after endoscopic submucosal dissection for early gastric cancer in super-elderly patients

K. Chayama, S. Oka, Shinji Tanaka, 2016, Surgical Endoscopy.

Interobserver and intraobserver agreement for gastric mucosa atrophy

K. Chayama, K. Arihiro, Shinji Tanaka, 2015, BMC Gastroenterology.

Microsatellite instability is a genetic marker for the development of multiple gastric cancers

K. Chayama, K. Haruma, S. Tanaka, 2001, International journal of cancer.

Nodular Gastritis in Adults Is Caused by Helicobacter pylori Infection

K. Chayama, K. Haruma, Shinji Tanaka, 2003, Digestive Diseases and Sciences.

Screening and surveillance for gastric cancer: Does family history play an important role in shaping our strategy?

T. Hiyama, M. Luu, D. Quach, 2021, Asia-Pacific journal of clinical oncology.

A case of Crohn's disease with hydronephrosis caused by ureteropelvic junction obstruction.

K. Chayama, Shinji Tanaka, Y. Kitadai, 2006, European journal of gastroenterology & hepatology.

Asia‐Pacific Colorectal Screening score: A useful tool to stratify risk for colorectal advanced neoplasms in Vietnamese patients with irritable bowel syndrome

Shinji Tanaka, T. Hiyama, D. Quach, 2018, Journal of gastroenterology and hepatology.

Value of a new stick-type rapid urine test for the diagnosis of Helicobacter pylori infection in the Vietnamese population.

F. Shimamoto, M. Yoshihara, N. Uemura, 2014, World journal of gastroenterology.

Genetic polymorphisms and esophageal cancer risk

K. Chayama, Shinji Tanaka, M. Yoshihara, 2007, International journal of cancer.

Genetic polymorphisms and head and neck cancer risk (Review).

K. Chayama, Shinji Tanaka, M. Yoshihara, 2008, International journal of oncology.

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.

K. Chayama, K. Haruma, S. Tanaka, 2001, International Journal of Oncology.

Defensive medicine practices among gastroenterologists in Japan.

Shinji Tanaka, Masaharu Yoshihara, Toru Hiyama, 2006, World journal of gastroenterology.

Medical malpractice litigation related to gastrointestinal endoscopy in Japan: a two-decade review of civil court cases.

K. Chayama, Shinji Tanaka, M. Yoshihara, 2006, World journal of gastroenterology.

Microsatellite instability at D18S61 is associated with no regression of gastric mucosa-associated lymphoid tissue lymphoma after Helicobacter pylori eradication.

K. Chayama, K. Haruma, S. Tanaka, 2001, Oncology Report.

Factors participating in recovery processes of eating disorders

Y. Yokosaki, M. Yoshihara, Y. Okamoto, 2013 .

MEDICAL MALPRACTICE LITIGATION ASSOCIATED WITH OVERLOOKING OF SCIRRHOUS GASTRIC CANCER

K. Chayama, Shinji Tanaka, M. Yoshihara, 2005 .

MIEDICAL IVIALPRACTICE LITIGATION ASSOCIATED WITH DIGESTIV:E ENDOSCOPY

K. Chayama, Shinji Tanaka, M. Yoshihara, 2004 .

MEDICAL MALPRACTICE LITIGATION ASSOCIATEDWITH DIGESTIVE ENDOSCOPY

K. Chayama, Shinji Tanaka, M. Yoshihara, 2004 .

Cheilitis granulomatosa as an early manifestation of Crohn’s disease

K. Chayama, S. Oka, Shinji Tanaka, 2009, Clinical journal of gastroenterology.

Lymphatic Vessel Density at the Site of Deepest Penetration as a Predictor of Lymph Node Metastasis in Submucosal Colorectal Cancer

K. Chayama, S. Oka, Shinji Tanaka, 2007, Diseases of the colon and rectum.

Involvement of Kruppel-like factor 6 (KLF6) mutation in the development of nonpolypoid colorectal carcinoma.

K. Chayama, K. Arihiro, Shinji Tanaka, 2007, World journal of gastroenterology.

Performance of chromoendoscopy and narrow-band imaging in the diagnosis of gastric intestinal metaplasia

T. Hiyama, D. Quach, H. M. Le, 2022, Scandinavian journal of gastroenterology.

Real-World Effectiveness of a Booster Dose of the COVID-19 Vaccines among Japanese University Students

Yukiko Nakano, A. Yoshino, Y. Okamoto, 2022, Vaccines.

Use of endoscopic assessment of gastric atrophy for gastric cancer risk stratification to reduce the need for gastric mapping

T. Gotoda, T. Hiyama, D. Quach, 2020, Scandinavian journal of gastroenterology.

Assessment of Endoscopic Gastric Atrophy according to the Kimura-Takemoto Classification and Its Potential Application in Daily Practice

T. Hiyama, D. Quach, 2019, Clinical endoscopy.

Do subjects with mild or moderate atrophic gastritis or intestinal metaplasia confined to the antrum benefit from gastric cancer surveillance?

T. Gotoda, T. Hiyama, D. Quach, 2019, Gut.

Treatment of functional dyspepsia with serotonin agonists: A meta‐analysis of randomized controlled trials

K. Chayama, K. Matsuo, K. Haruma, 2007, Journal of gastroenterology and hepatology.

Relationship Between Periodontitis and Atrial Fibrosis in Atrial Fibrillation: Histological Evaluation of Left Atrial Appendages.

Takehito Tokuyama, Yukiko Nakano, T. Hiyama, 2022, JACC. Clinical electrophysiology.

Diagnostic Accuracy of H. pylori Status by Conventional Endoscopy: Time-Trend Change After Eradication and Impact of Endoscopic Image Quality

M. Yoshihara, T. Hiyama, T. Kawamura, 2022, Frontiers in Medicine.

Relationship between Endoscopic and Histologic Gastric Atrophy and Intestinal Metaplasia

N. Uemura, T. Hiyama, D. Quach, 2013, Helicobacter.

The Distribution of Incomplete Gastric Intestinal Metaplasia (GIM) Subtype among Biopsy Sites according to the Updated Sydney System and Its Association with GIM Extension

T. Hiyama, D. Quach, H. M. Le, 2018, Gastroenterology research and practice.

A Case of Inflammatory Myoglandular Polyp of the Rectum.

K. Haruma, G. Kajiyama, T. Hiyama, 1998 .

A combination of the Helicobacter pylori stool antigen test and urea breath test is useful for clinical evaluation of eradication therapy: A multicenter study

K. Chayama, Shinji Tanaka, Y. Kitadai, 2005, Journal of gastroenterology and hepatology.

The number of criminal prosecutions against physicians due to medical negligence is on the rise in Japan.

K. Chayama, Shinji Tanaka, M. Yoshihara, 2008, The American journal of emergency medicine.

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

T. Hiyama, D. Quach, N. Le, 2021, Canadian Journal of Gastroenterology & Hepatology.

Relationship Between Fibrosis, Endocardial Endothelial Damage, and Thrombosis of Left Atrial Appendage in Atrial Fibrillation.

Takehito Tokuyama, Yukiko Nakano, T. Hiyama, 2023, JACC. Clinical electrophysiology.

Frequent somatic mutations of mitochondrial DNA in traditional serrated adenomas but not in sessile serrated adenomas of the colorectum

K. Chayama, S. Oka, Shinji Tanaka, 2011, Journal of gastroenterology and hepatology.

The Performance of a Modified Glasgow Blatchford Score in Predicting Clinical Interventions in Patients with Acute Nonvariceal Upper Gastrointestinal Bleeding: A Vietnamese Prospective Multicenter Cohort Study

T. Hiyama, D. Quach, Cong Hong-Minh Vo, 2015, Gut and liver.

Meta‐analysis used to identify factors associated with the effectiveness of proton pump inhibitors against non‐erosive reflux disease

K. Chayama, K. Matsuo, K. Haruma, 2009, Journal of gastroenterology and hepatology.

Mutation of the von Hippel‐Lindau (VHL) gene in human colorectal carcinoma: Association with cytoplasmic accumulation of hypoxia‐inducible factor (HIF)‐1α

K. Chayama, K. Tanimoto, Shinji Tanaka, 2004, Cancer science.

Early Diagnosis of Helicobacter pylori Infection in Vietnamese Patients with Acute Peptic Ulcer Bleeding: A Prospective Study

Shinji Tanaka, N. Uemura, T. Hiyama, 2017, Gastroenterology research and practice.

A case of primary malignant melanoma of the esophagus with a widely expanded surface area

K. Chayama, M. Emi, S. Oka, 2019, Clinical Journal of Gastroenterology.

Somatic mutation in mitochondrial DNA and nuclear microsatellite instability in gastric cancer.

K. Chayama, K. Haruma, Shinji Tanaka, 2003, Oncology reports.

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

T. Hiyama, D. Quach, Trang T. Nguyen, 2018, Journal of neurogastroenterology and motility.

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.

K. Chayama, K. Haruma, S. Oka, 2003, International journal of oncology.

Trend in Japanese Malpractice Litigation Involving Gastrointestinal Endoscopy

K. Chayama, Shinji Tanaka, M. Yoshihara, 2009, The American Journal of Gastroenterology.

Association of mental health conditions and functional gastrointestinal disorders among Vietnamese new-entry medical students

T. Hiyama, D. Quach, M. Luu, 2023, PloS one.

Somatic mutation of mitochondrial DNA in Helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer.

K. Chayama, K. Haruma, Shinji Tanaka, 2003, International journal of molecular medicine.

Loss of Heterozygosity on Chromosome 10p14–p15 in Colorectal Carcinoma

K. Chayama, K. Arihiro, S. Tanaka, 2005, Pathobiology.

Characteristics and Trends of Clarithromycin-Resistant Helicobacter pylori Isolates in Japan over a Decade

K. Chayama, K. Haruma, S. Tanaka, 2004, Pathobiology.

Frequent loss of heterozygosity on chromosome 10p15, a putative telomerase repressor/senescence gene locus, in gastric cancer.

K. Chayama, K. Haruma, Shinji Tanaka, 2003, Oncology reports.

Letter: extensive intestinal metaplasia is associated with the presence of incomplete intestinal metaplasia subtype and could be an easier marker for high risk of gastric cancer

T. Hiyama, D. Quach, 2018, Alimentary pharmacology & therapeutics.

Diagnosis of superficial esophageal squamous cell carcinoma invasion depth before endoscopic submucosal dissection.

K. Chayama, K. Arihiro, S. Tanaka, 2018, Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

Human Telomerase Reverse Transcriptase, p53 and Ki-67 Expression and Apoptosis in Colorectal Serrated Adenoma

K. Chayama, K. Haruma, S. Tanaka, 2002, Scandinavian journal of gastroenterology.

Gastric Involvement in Sjögren's Syndrome Simulating Early Gastric Carcinoma

M. Takasugi, T. Hiyama, H. Ibayashi, 1979, Endoscopy.

Characteristics of Esophageal Squamous Cell Carcinomas and Lugol-voiding Lesions in Patients With Head and Neck Squamous Cell Carcinoma

K. Chayama, K. Arihiro, S. Oka, 2010, Journal of clinical gastroenterology.

Predictive factors for esophageal stenosis in patients receiving prophylactic steroid therapy after endoscopic submucosal dissection for esophageal squamous cell carcinoma

A. Tsuboi, S. Oka, T. Hiyama, 2024, BMC gastroenterology.

The Usefulness of Endoscopic Ultrasonography in Determining Whether Early Gastric Cancer Can Be Treated Endoscopically

K. Chayama, S. Oka, Shinji Tanaka, 2006 .