Daiki Abe
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Gastric epithelial neoplasms in Helicobacter pylori-uninfected patients Open
Background: In recent years, several studies have described the clinicopathological characteristics of Helicobacter pylori (H. pylori) –uninfected gastric cancer. This entity is now recognized as one of the major topics in gastric cancer r…
View article: Usefulness of Automated Analysis System for Microvascular Blood Flow Rate Using Magnifying Endoscopy in Early Gastric Cancer: A Multicenter Retrospective Study (With Video)
Usefulness of Automated Analysis System for Microvascular Blood Flow Rate Using Magnifying Endoscopy in Early Gastric Cancer: A Multicenter Retrospective Study (With Video) Open
Background and Aim Early gastric cancer (EGC) diagnosis after Helicobacter pylori eradication and differentiation from patchy redness (PR) remains challenging. We developed a novel automated analysis system for microvascular blood flow rat…
View article: Evaluation of Gastric Peristalsis Using Cine MRI in Healthy Subjects and Patients With Functional Dyspepsia
Evaluation of Gastric Peristalsis Using Cine MRI in Healthy Subjects and Patients With Functional Dyspepsia Open
INTRODUCTION: Functional dyspepsia (FD) is subdivided into postprandial distress syndrome (PDS) and epigastric pain syndrome (EPS), each with a different pathophysiological mechanisms driving the symptoms of these syndromes. Cine MRI aids …
View article: Clinicopathological and Endoscopic Features of Non-Ampullary Duodenal Epithelial Tumors with Gastrointestinal Mixed Phenotype
Clinicopathological and Endoscopic Features of Non-Ampullary Duodenal Epithelial Tumors with Gastrointestinal Mixed Phenotype Open
Introduction: Non-ampullary duodenal epithelial tumors with a gastrointestinal mixed phenotype (mixed-type NADETs) have not been thoroughly analyzed. We aimed to elucidate the clinicopathological and endoscopic characteristics of mixed-typ…
View article: Association of Constipation and Geriatric Depressive Symptoms: Cross-Sectional Analysis Using Baseline Data from the JUSTICE-TOKYO Prospective Cohort Study
Association of Constipation and Geriatric Depressive Symptoms: Cross-Sectional Analysis Using Baseline Data from the JUSTICE-TOKYO Prospective Cohort Study Open
Objective: To clarify the relationship between constipation and depressive symptoms among the elderly. Methods: This single-center, cross-sectional study was performed using baseline data obtained at the time of enrollment in the prospecti…
View article: Visibility Evaluation of Fundic Gland Polyp Associated With Proton Pump Inhibitor in Texture and Color Enhancement Imaging
Visibility Evaluation of Fundic Gland Polyp Associated With Proton Pump Inhibitor in Texture and Color Enhancement Imaging Open
Objectives A ‘gray color sign’ (GCS) is a new endoscopic feature of fundic gland polyp associated with proton pump inhibitor (PPI‐FGP). Here, we compare the ability of texture and color enhancement imaging (TXI) to white light imaging (WLI…
View article: Visibility evaluation of gastric epithelial neoplasm of fundic gland mucosa lineage using texture and color enhancement imaging
Visibility evaluation of gastric epithelial neoplasm of fundic gland mucosa lineage using texture and color enhancement imaging Open
Objectives Recently, the incidence of Helicobacter pylori‐uninfected gastric cancers, such as gastric epithelial neoplasm of fundic‐gland mucosa lineage (GEN‐FGML), has increased with the widespread use of eradication therapy. Because the …
View article: Case Study of a Refractory Idiopathic Peptic Ulcer in Which 24-h Intragastric pH Monitoring Contributed to Its Pathophysiological Analysis
Case Study of a Refractory Idiopathic Peptic Ulcer in Which 24-h Intragastric pH Monitoring Contributed to Its Pathophysiological Analysis Open
Introduction: In recent years, the frequency of idiopathic peptic ulcers (IPUs) has increased. However, the clinicopathological characteristics of IPU have not been fully elucidated and treatment methods for recurrent and refractory cases …
View article: Development of an Artificial Intelligence Diagnostic System Using Linked Color Imaging for Barrett’s Esophagus
Development of an Artificial Intelligence Diagnostic System Using Linked Color Imaging for Barrett’s Esophagus Open
Background: Barrett’s esophagus and esophageal adenocarcinoma cases are increasing as gastroesophageal reflux disease increases. Using artificial intelligence (AI) and linked color imaging (LCI), our aim was to establish a method of diagno…
View article: Risk Factors for Mucosal Redness in the Duodenal Bulb as Detected via Linked Color Imaging
Risk Factors for Mucosal Redness in the Duodenal Bulb as Detected via Linked Color Imaging Open
Linked color imaging (LCI) for image-enhanced endoscopy (IEE) highlights mucosal color differences. We investigated risk factors associated with mucosal redness of the duodenal bulb using LCI. Consecutive patients were retrospectively sele…
View article: Endoscopic and Clinicopathological Features and Endoscopic Diagnosis Strategy of Raspberry-shaped Reddish Protruded Lesion in <i>Helicobacter pylori</i>-Uninfected Patient
Endoscopic and Clinicopathological Features and Endoscopic Diagnosis Strategy of Raspberry-shaped Reddish Protruded Lesion in <i>Helicobacter pylori</i>-Uninfected Patient Open
Helicobacter pylori（H.pylori）感染率の低下に伴い、H.pylori未感染胃癌に遭遇する機会は増加し、さまざまな組織型の胃癌が存在することが明らかになってきた。H.pylori未感染胃粘膜に発生する発赤調、隆起型のラズベリー様の外観を呈する腺窩上皮型腺癌は、その特徴的な所見から“ラズベリー様腺窩上皮型腺癌”という名称で知られている。その一方で、H.pylori未感染胃粘膜に発生するラズベリー様の外観を呈する他の胃病変の存在が報告されている。それらラ…
View article: Endoscopic Diagnosis Strategy of Raspberry-Shaped Gastric Lesion in Helicobacter Pylori-Uninfected Patient
Endoscopic Diagnosis Strategy of Raspberry-Shaped Gastric Lesion in Helicobacter Pylori-Uninfected Patient Open
Objectives: We aimed to clarify the endoscopic and clinicopathological features of raspberry-shaped gastric lesions (RSGLs) and to establish an endoscopic diagnostic algorithm for RSGLs. Methods: We collected RSGLs from an endoscopic datab…
View article: Comparison of Texture and Color Enhancement Imaging with White Light Imaging in 52 Patients with Short-Segment Barrett’s Esophagus
Comparison of Texture and Color Enhancement Imaging with White Light Imaging in 52 Patients with Short-Segment Barrett’s Esophagus Open
BACKGROUND Texture and color enhancement imaging (TXI), a new type of image-enhanced endoscopy, may improve the detection of gastrointestinal lesions. Barrett's esophagus (BE) requires an accurate diagnosis since it may undergo neoplastic …
View article: Endoscopic Diagnosis Strategy of Raspberry-Shaped Gastric Lesion in Helicobacter pylori-Uninfected Patient
Endoscopic Diagnosis Strategy of Raspberry-Shaped Gastric Lesion in Helicobacter pylori-Uninfected Patient Open
Objectives: We aimed to clarify the endoscopic and clinicopathological features of raspberry-shaped gastric lesions (RSGLs) and to establish an endoscopic diagnostic algorithm for RSGLs. Methods: We collected RSGLs from an endoscopic datab…
View article: Gastric Juvenile Polyposis with Intramucosal Cancer Diagnosed by Magnifying Endoscopy with Narrow-band Imaging
Gastric Juvenile Polyposis with Intramucosal Cancer Diagnosed by Magnifying Endoscopy with Narrow-band Imaging Open
Although gastric juvenile polyposis (GJP) often coexists with gastric cancer, a preoperative accurate diagnosis is still difficult to obtain. A 70-year-old woman was referred for epigastralgia and anemia. Esophagogastroduodenoscopy with a …
View article: Correlation between Constipation Symptoms and Abdominal CT Imaging: A Cross-Sectional Pilot Study
Correlation between Constipation Symptoms and Abdominal CT Imaging: A Cross-Sectional Pilot Study Open
Evaluation of chronic constipation is important, although it is often difficult to satisfactorily treat due to the complex interplay of factors. This study aimed to determine whether the volume of intraluminal contents and lateral diameter…
View article: Mediastinal Thoracic Duct Cyst Infection after Endoscopic Submucosal Dissection for Early Esophageal Cancer
Mediastinal Thoracic Duct Cyst Infection after Endoscopic Submucosal Dissection for Early Esophageal Cancer Open
A mediastinal thoracic duct cyst that originates from the thoracic duct is a very rare disease in the mediastinum. There have been no reports of mediastinal thoracic duct cyst infection caused by endoscopic treatment. This is the first cas…
View article: Endoscopic Features of Gastric Epithelial Neoplasm of Fundic Gland Mucosa Lineage
Endoscopic Features of Gastric Epithelial Neoplasm of Fundic Gland Mucosa Lineage Open
The endoscopic features of gastric epithelial neoplasms of fundic gland mucosa lineage (GEN-FGML) have not been well investigated. We aimed to clarify the endoscopic features of GEN-FGML and differences between gastric adenocarcinoma of th…
View article: <i>Yersinia enterocolitica</i> Enteritis Diagnosed with Erythema Nodosum
<i>Yersinia enterocolitica</i> Enteritis Diagnosed with Erythema Nodosum Open
We herein report a rare case of Yersinia enterocolitica enteritis with a fever and abdominal pain followed by erythema nodosum (EN) a few days later. The diagnosis was confirmed based on characteristic colonoscopy and computed tomography f…
View article: Comparative Study of Helicobacter pylori-Infected Gastritis in Okinawa and Tokyo Based on the Kyoto Classification of Gastritis
Comparative Study of Helicobacter pylori-Infected Gastritis in Okinawa and Tokyo Based on the Kyoto Classification of Gastritis Open
The incidence of gastric cancer in Okinawa Prefecture is the lowest in Japan, which is attributed to differences in strains of Helicobacter pylori in Okinawa and other prefectures in Japan. Our aim was to compare the endoscopic findings of…
View article: Association between bile area in the duodenal bulb and abdominal symptoms: Quantitative analysis using blue laser imaging
Association between bile area in the duodenal bulb and abdominal symptoms: Quantitative analysis using blue laser imaging Open
Bile acids are strongly associated with the pathogenesis of functional gastrointestinal diseases. In recent years, blue laser imaging (BLI) endoscopy has emerged as a novel image-enhanced endoscopic method, which illustrates bile as a redd…
A case of gastric adenocarcinoma of fundic-gland mucosa type Open
An 80-year-old woman with a past history of Helicobacter pylori eradication underwent esophagogastroduodenoscopy for screening. A whitish-elevated lesion with submucosal tumor-like shape, 15 mm in size, was detected on the upper third of t…
View article: Association between abdominal symptoms and gastric body redness in Linked Color Imaging in patients without<i> Helicobacter pylori</i> infection
Association between abdominal symptoms and gastric body redness in Linked Color Imaging in patients without<i> Helicobacter pylori</i> infection Open
【目的】近年Linked Color Imaging（LCI）観察においてH. pylori未感染者の胃体部に全周性の発赤所見を認める症例を経験している．今回この体部全周性発赤所見について，腹部症状との関連を検討することを目的とした．
View article: Clinicopathological and Endoscopic Features of Raspberry-Shaped Gastric Cancer in Helicobacter pylori-Uninfected Patients
Clinicopathological and Endoscopic Features of Raspberry-Shaped Gastric Cancer in Helicobacter pylori-Uninfected Patients Open
Background: Gastric adenocarcinoma of foveolar type (GA-FV) is a raspberry-shaped gastric cancer (RSGC) and garners much attention as H. pylori (Hp)-uninfected gastric cancer. However, the classification and clinicopathological and endosco…
Linked color imaging improves visibility of reflux esophagitis Open
Background With more prevalent gastroesophageal reflux disease comes increased cases of Barrett's esophagus and esophageal adenocarcinoma. Image-enhanced endoscopy using linked-color imaging (LCI) differentiates between mucosal colors. We …
View article: Association between the severity of constipation and sarcopenia in elderly adults: A single‑center university hospital‑based, cross‑sectional study
Association between the severity of constipation and sarcopenia in elderly adults: A single‑center university hospital‑based, cross‑sectional study Open
The aim of the present study was to investigate the association between the severity of constipation and sarcopenia in elderly adults. We conducted a single-center university hospital-based, retrospective cross-sectional study of consecuti…
Diagnostic limitations of magnifying endoscopy with narrow-band imaging in early gastric cancer Open
Background and study aims Magnifying endoscopy with narrow band imaging (M-NBI) has made a huge contribution to endoscopic diagnosis of early gastric cancer (EGC). However, we sometimes encountered false-negative cases with M-NBI diagnosis…
View article: The Association between Frailty and Abdominal Symptoms: A Hospital-based Cross-sectional Study
The Association between Frailty and Abdominal Symptoms: A Hospital-based Cross-sectional Study Open
Objective The association between frailty and abdominal symptoms has not been evaluated. Methods We conducted a hospital-based, retrospective cross-sectional study of consecutive outpatients ≥65 years old at the Department of Gastroenterol…
Microperforation due to segmental absence of intestinal musculature during endoscopic submucosal dissection for early esophageal cancer: a case study Open
Endoscopic submucosal dissection (ESD) has been widely applied for early esophageal cancer in recent years, but perforation is sometimes an adverse event.1Isomoto H. Yamaguchi N. Minami H. et al.Management of complications associated with …