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  1. Article

    Open Access

    Use of Immunostaining for the diagnosis of Lymphovascular invasion in superficial Barrett’s esophageal adenocarcinoma

    The prevalence of Barrett’s esophageal adenocarcinoma (BEA) is increasing in Japan. Accurate assessment of lymphovascular invasion (LVI) after endoscopic resection or surgery is essential in evaluating treatme...

    Isao Hosono, Ryoji Miyahara, Kazuhiro Furukawa, Kohei Funasaka in BMC Gastroenterology (2020)

  2. Article

    Open Access

    Diagnostic yield of colon capsule endoscopy for Crohn’s disease lesions in the whole gastrointestinal tract

    Crohn’s disease (CD) can involve the upper gastrointestinal (GI) tract as well as the small and large bowel. PillCam colon capsule endoscopy (PCCE-2) enables observation of the whole GI tract, but its diagnost...

    Keisaku Yamada, Masanao Nakamura, Takeshi Yamamura, Keiko Maeda in BMC Gastroenterology (2021)

  3. No Access

    Article

    New modality for the quantitative evaluation of tissue elasticity using a forward-viewing radial-array echoendoscope for colorectal neoplasms

    Sound speed correction (SSC) is a non-invasive modality that quantifies the hardness of neoplasms. The aim of our study was to evaluate the usefulness of SSC for the diagnostic accuracy of colorectal neoplasms...

    Masaya Esaki, Takeshi Yamamura in International Journal of Colorectal Disease (2021)

  4. Article

    Open Access

    Measurement of fasting breath hydrogen concentration as a simple diagnostic method for pancreatic exocrine insufficiency

    Pancreatic exocrine insufficiency (PEI) is associated with the outcome of pancreatic disease. However, there is no method for assessing PEI that can be used noninvasively and easily for outpatient. It has been...

    Kota Uetsuki, Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa in BMC Gastroenterology (2021)

  5. Article

    Open Access

    Immunohistochemical staining for IMP3 in patients with duodenal papilla tumors: assessment of the potential for diagnosing endoscopic resectability and predicting prognosis

    Endoscopic papillectomy of duodenal papillary tumors (PT) is indicated for adenomas or well-differentiated adenocarcinomas that do not involve the sphincter of Oddi. However, there is currently no reliable pre...

    Hiroyuki Tanaka, Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa in BMC Gastroenterology (2021)

  6. Article

    Open Access

    Endoscopic sphincterotomy and endoscopic biliary stenting do not affect the sensitivity of transpapillary forceps biopsy for the diagnosis of bile duct adenocarcinoma

    The pathological evaluation of tissues with cholangitis is considered difficult, which can often occur after endoscopic sphincterotomy (EST) and endoscopic biliary stenting (EBS). This study aimed to evaluate ...

    Toshinori Aoki, Eizaburo Ohno, Takuya Ishikawa, Yasuyuki Mizutani in BMC Gastroenterology (2022)

  7. Article

    Open Access

    Fecal microbiota transplantation in the treatment of irritable bowel syndrome: a single-center prospective study in Japan

    Fecal microbiota transplantation (FMT) is a potential treatment for irritable bowel syndrome (IBS), but its efficacy in Japanese IBS patients is unknown. This study aimed to evaluate the efficacy, side effects...

    Motonobu Hamazaki, Tsunaki Sawada, Takeshi Yamamura, Keiko Maeda in BMC Gastroenterology (2022)

  8. Article

    Open Access

    Clinical characteristics of Dieulafoy’s lesion in the small bowel diagnosed and treated by double-balloon endoscopy

    Obscure gastrointestinal bleeding refers to bleeding for which the source cannot be ascertained even through balloon-assisted endoscopy. In certain instances, Dieulafoy’s lesion in the small bowel is presumed ...

    Masanao Nakamura, Takeshi Yamamura, Keiko Maeda, Tsunaki Sawada in BMC Gastroenterology (2023)