Miwa Sada
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View article: Risk of colorectal cancer among fecal immunochemical test‐positive individuals by timing of previous colonoscopy: A multicenter analysis
Risk of colorectal cancer among fecal immunochemical test‐positive individuals by timing of previous colonoscopy: A multicenter analysis Open
Background and Aim The risk of colorectal cancer among fecal immunochemistry test‐positive individuals who had undergone previous colonoscopies remains unclear. Therefore, this study aimed to determine the differences in the risk of colore…
View article: Endoscopist‐related factors affecting adenoma detection during colonoscopy: Data from the J‐SCOUT study
Endoscopist‐related factors affecting adenoma detection during colonoscopy: Data from the J‐SCOUT study Open
Objectives Colonoscopy withdrawal times are associated with the adenoma detection rate (ADR). However, the relationship between ADR and cecal insertion time has been inadequately characterized. We aimed to evaluate endoscopist‐related fact…
View article: Randomised comparison of postpolypectomy surveillance intervals following a two-round baseline colonoscopy: the Japan Polyp Study Workgroup
Randomised comparison of postpolypectomy surveillance intervals following a two-round baseline colonoscopy: the Japan Polyp Study Workgroup Open
Objective To assess whether follow-up colonoscopy after polypectomy at 3 years only, or at 1 and 3 years would effectively detect advanced neoplasia (AN), including nonpolypoid colorectal neoplasms (NP-CRNs). Design A prospective multicent…
View article: Treatment Outcomes of Endoscopic Hemostasis for Colonic Diverticular Bleeding
Treatment Outcomes of Endoscopic Hemostasis for Colonic Diverticular Bleeding Open
【目的】大腸憩室出血に対する内視鏡止血法の治療成績を明らかにする．
View article: Comparison of the histopathological characteristics of large colorectal laterally spreading tumors according to growth pattern
Comparison of the histopathological characteristics of large colorectal laterally spreading tumors according to growth pattern Open
The biological malignancy of colorectal LSTs differs considerably depending on the growth pattern even among large lesions and therefore should be considered when selecting treatment regimens.
View article: Predictors of invasive cancer of large laterally spreading colorectal tumors: A multicenter study in Japan
Predictors of invasive cancer of large laterally spreading colorectal tumors: A multicenter study in Japan Open
Background and Aim Although colorectal laterally spreading tumors (LSTs) can be classified into four subtypes, the histopathological characteristics are known to differ among these subtypes. We therefore performed a logistic regression ana…
View article: A Patient who Underwent Endoscopic Submucosal Dissection for a Submucosal Tumor Arising in the Cecum
A Patient who Underwent Endoscopic Submucosal Dissection for a Submucosal Tumor Arising in the Cecum Open
The patient was a 45-year-old man who had positive results of a fecal occult blood test on a medical examination. A colonoscopic examination revealed a submucosal tumor measuring 7 mm in diameter in the cecum. Colorectal endoscopic submuco…
View article: Roles of Capsule Endoscopy and Single-Balloon Enteroscopy in Diagnosing Unexplained Gastrointestinal Bleeding
Roles of Capsule Endoscopy and Single-Balloon Enteroscopy in Diagnosing Unexplained Gastrointestinal Bleeding Open
Both CE and SBE are useful to diagnose OGIB. For overt bleeding cases and ongoing bleeding cases, SBE may be more appropriate than CE because endoscopic diagnosis and treatment can be completed simultaneously.
View article: Forefront of the Diagnosis of Colorectal Cancer Endoscopic Ultrasonography, Including 3D-EUS
Forefront of the Diagnosis of Colorectal Cancer Endoscopic Ultrasonography, Including 3D-EUS Open
大腸癌に対する超音波内視鏡（EUS）の臨床的意義は，術前に癌深達度やリンパ節転移を評価し，適切な治療法を選択することにある．EUSにより，腫瘍を垂直断層像として描出できるため，客観的な診断が可能である．とくに早期癌に対しては，内視鏡的摘除の適応病変（pTis癌～pT1a癌）と外科手術の適応病変（pT1b癌）の鑑別診断正診率は，自施設の検討では89％と高率であり，EUSは早期癌の治療法の選択に活用できると考える．しかしEUS診断には，描出困難病変が多いなどの問題点があり，早期…