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List of works by Toru Hiyama

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

scientific article

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

scientific article published on 18 March 2019

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

scientific article published in August 2005

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

scientific article published on 01 March 2010

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.

scientific article published in April 2018

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

scientific article published in February 2011

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

scientific article published on 25 March 2009

Asia-Pacific Colorectal Screening Score Should Be Considered as an Adjunctive Tool to Identify Asian Patients With Irritable Bowel Syndrome Symptoms Who Have Priority for Colonoscopy

scientific article published on 01 January 2020

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

scientific article

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

scientific article published on 22 July 2019

Causes of delayed diagnoses of cancers in Japan from the viewpoint of malpractice litigations

scientific article published on 21 March 2016

Change in malpractice claims in Japanese gastroenterological practice

scientific article published in January 2012

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

scientific article published on December 1, 2012

Characteristics of esophageal squamous cell carcinomas and lugol-voiding lesions in patients with head and neck squamous cell carcinoma

scientific article published in February 2010

Cheilitis granulomatosa as an early manifestation of Crohn's disease

scientific article published on 21 May 2009

Chromosomal and microsatellite instability in sporadic gastric cancer

scientific article published on 01 July 2004

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

scientific article

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

scientific article published on 27 September 2012

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

scientific article published on 22 February 2014

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

scientific article published on October 2003

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

scientific article published on 01 March 2004

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

scientific article published on 01 October 2003

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

scientific article published on 23 July 2011

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

scientific article published on 01 February 2004

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

scientific article published in July 2006

Clinicopathologic features and endoscopic resection of early primary nonampullary duodenal carcinoma

scientific article

Clinicopathologic features of hyperplastic/serrated polyposis syndrome in Japan

scientific article published in November 2013

Compliance with standard precautions among gastrointestinal endoscopists and endoscopy nurses in Japan

scientific article published on 07 December 2011

Defensive medicine practices among gastroenterologists in Japan

scientific article

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

scientific article published in 2022

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

scientific article

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

scientific article published on 27 April 2019

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

scientific article published on 04 January 2017

Effectiveness of prokinetic agents against diseases external to the gastrointestinal tract

scientific article (publication date: April 2009)

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

scientific article published on 8 December 2017

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

scientific article published on January 2004

Frequent loss of heterozygosity on chromosome 10p14-p15 in esophageal dysplasia and squamous cell carcinoma.

scientific article

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

scientific article published in September 2003

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

scientific article published in October 2011

Genetic pathways of multiple esophageal squamous cell carcinomas

scientific article published on 14 December 2010

Genetic polymorphisms and esophageal cancer risk

scientific article published on October 2007

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

scientific article published on May 2008

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

scientific article published on 01 October 2006

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

scientific article published on 26 January 2002

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

scientific article published on 01 July 2003

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

scientific article published on 01 July 2019

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

scientific article published on July 2007

Infliximab therapy for Crohn's disease in a patient with chronic hepatitis B.

scientific article published in January 2005

Interobserver and intraobserver agreement for gastric mucosa atrophy

scientific article published on 4 August 2015

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

scientific article

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

scientific article published in February 2002

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

scientific article published on 5 February 2016

Lymphatic vessel density at the site of deepest penetration as a predictor of lymph node metastasis in submucosal colorectal cancer

scientific article published on 01 January 2007

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

scientific article published on 25 July 2018

Medical malpractice litigation in gastroenterological practice in Japan: a 22-yr review of civil court cases

scientific article published on September 2006

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

scientific article published on November 2006

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

scientific article published in March 2007

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

scientific article published on August 2009

Minute depressed colon cancer with submucosal invasion

scientific article published on 01 April 2003

Mutation of the von Hippel-Lindau (VHL) gene in human colorectal carcinoma: association with cytoplasmic accumulation of hypoxia-inducible factor (HIF)-1alpha

scientific article published in February 2004

Natural course of lugol-voiding lesions in patients with superficial esophageal squamous cell carcinoma

scientific article published on 5 March 2010

Nodular gastritis in adults is caused by Helicobacter pylori infection

scientific article published in May 2003

Otorhinolaryngology litigations in Japan

scientific article published on 18 July 2019

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

scientific article published on 7 October 2012

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

scientific article

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

scientific article published in October 2003

Rapid progression of Epstein-Barr-virus-positive gastric diffuse large B-cell lymphoma during chemoradiotherapy: a case report

scientific article

Rate of unintended Helicobacter pylori eradication in the Vietnamese

scientific article

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

scientific article published in June 2007

Relationship between Endoscopic and Histologic Gastric Atrophy and Intestinal Metaplasia ⬇️

scientific article published on November 20, 2012

Removal of a sewing needle penetrating the wall of the third portion of the duodenum by double-balloon endoscopy

scientific article published on 28 December 2011

Response

scientific article published on 01 June 2013

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

scientific article published on 24 December 2015

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

scientific article published on November 2003

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

scientific article

Somatic mutations of mitochondrial DNA in digestive tract cancers

scientific article published on 01 November 2005

Strategy for treatment of nonerosive reflux disease in Asia

scientific article published on May 2008

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

scientific article

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

scientific article published on 27 July 2018

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

scientific article published on 27 November 2015

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

scientific article published on 01 January 2008

The number of criminal prosecutions of physicians for medical negligence related to gastroenterology is on the rise in Japan.

scientific article published on 29 January 2015

The roles of H. pylori infection and K-ras gene mutation in gastric carcinogenesis

scientific article

Treatment of functional dyspepsia with serotonin agonists: a meta-analysis of randomized controlled trials

scientific article

Trend in Japanese malpractice litigation involving gastrointestinal endoscopy

scientific article published on 01 January 2009

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

scientific article published on 28 March 2020

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

scientific article

[A case report of anaphylactoid purpura with acute abdominal pain secondary to trauma caused by traffic accident]

scientific article published on 01 April 2008

[Epidemiology of colorectal cancer]

scientific article published on 01 February 2007

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

scientific article

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

scientific article published in September 2003

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