Publications by authors named "Yuki Kano"

Background: Fecal immunochemical tests are commonly performed for colorectal cancer screening. Instant fecal occult blood measurement in toilet bowel movements would improve convenience. Hyperspectral imaging (HSI) enables the nondestructive evaluation of materials that are difficult to assess visually.

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Purpose: To evaluate the use, acceptability, and experience of a seven-item palliative care referral screening tool in an outpatient oncology setting.

Methods: A two-phase convergent parallel mixed-methods study. Patient participants who met any of the "Royal Marsden Triggers Tool" criteria were compared with those who did not in terms of demographic data, palliative care needs (Integrated Palliative Outcome Scale, IPOS) and quality of life indicators (EORTC-QLQ-C30).

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Large ileal lipomas over 2 cm can cause symptoms, that may require a resection. Due to the narrow lumen and thin walls of the ileum, endoscopic treatments can have a high risk of adverse events and require technical expertise, thus surgical resection is currently the mainstay of treatment. To overcome the technical challenges, we developed a novel method to endoscopically resect terminal ileal lipomas.

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Video 1Clip with line-pulley securing technique with plastic detachable snare for endoscopic submucosal dissection defect closure.

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A 57-year-old woman with no significant medical history was referred after a colonoscopy for abdominal distension, which revealed a tumor in the lower rectum. Pre-operative colonoscopy showed the tumor was 12 mm in size, located from the anorectal junction to beyond the dentate line, and was diagnosed as high-grade intramucosal neoplasia or shallow submucosal invasive cancer. Endoscopic submucosal dissection was performed, and the lesion was resected en bloc.

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Background: There is a lack of reports on the use of direct oral anticoagulants (DOACs) during colorectal endoscopic submucosal dissection (ESD).

Aims: We aimed to assess whether the use of DOACs is associated with a higher incidence of delayed bleeding (DB) after ESD.

Methods: A total of 4175 colorectal neoplasms in 3515 patients were dissected at our hospitals during study period.

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A 25-year-old man was referred to our center for investigation of a gastric submucosal tumor and an ulcer that had developed on its oral side. Endoscopic ultrasonography findings suggested the presence of an ectopic pancreas, and treatment with an oral proton pump inhibitor was planned for the ulcer. Over the subsequent 3 years, the patient endured recurring epigastric pain and episodes of passing black stools.

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A 51-year-old woman visited our hospital with the chief complaint of tarry stools. Contrast-enhanced abdominal computed tomography revealed leakage of contrast medium into the lumen of the small intestine. Subsequently, a double-balloon endoscopy was performed, which revealed a submucosal mass-like lesion in the jejunum.

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Objectives: Previous studies of cold snare polypectomy (CSP) for sessile serrated lesions (SSLs) ≥10 mm were performed by experienced endoscopists, and therefore their skills might have significantly influenced results. In this study, we compared the efficacy and safety of CSP for SSLs ≥10 mm between experienced and trainee endoscopists.

Methods: In a 1:1 propensity score matched retrospective cohort study, we compared the complete resection rate, en-bloc resection rate, adverse event rate, and procedure time between experienced and trainee groups.

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We present the case of a 45-year-old man who underwent a screening total colonoscopy and developed delayed perforation after a cold snare polypectomy in the descending colon and sigmoid colon. The patient developed abdominal pain and was referred to our department for further evaluation and treatment. On clinical examination, we noted lower abdominal tenderness, mild rebound pain, and elevated levels of inflammatory markers.

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Article Synopsis
  • * A total of 248 patients underwent the procedure from January 2017 to June 2022, with 228 lesions treated via EMRC and 20 lesions requiring endoscopic submucosal dissection due to non-lifting signs.
  • * Adverse events were minimal, occurring in 3.1% of patients, and there were no observed recurrences, indicating that EMRC is both effective and
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Video 1Presentation of a newly invented transparent silicon attachment, the static electricity fastening tape hood, and its creation process, durability, and usefulness for various endoscopic procedures.

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Article Synopsis
  • The study investigates the outcomes of endoscopic resection (ER) for submucosally invasive colorectal cancer (CRC) with a focus on vertical margin involvement and its implications for lymph node metastasis.
  • Researchers analyzed 395 cases from 2008 to 2020, finding that 21.5% had vertical incomplete ER, with significant rates of residual tumors and lymph node metastasis observed in this group.
  • The results emphasize the increased risks associated with vertical incomplete ER, highlighting the need for careful assessment and potential additional surgery to address residual tumors and lymph node involvement.
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Background: Perigastric abscess caused by delayed perforation after endoscopic submucosal dissection is a very rare complication. In principle, delayed perforation after endoscopic submucosal dissection is treated surgically. Herein, we report a case of perigastric abscess caused by delayed perforation after gastric endoscopic submucosal dissection that was treated conservatively, without perforation closure, and in which the patient was discharged from hospital in a short period.

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Radial incision and cutting (RIC) is indicated for refractory benign esophageal strictures after curative treatment for esophageal cancer and has shown favorable short-term outcomes. However, re-stricture after RIC may occur in the long term, and RIC is performed repeatedly in such cases, but the efficacy and safety of repeated RIC are unclear. Therefore, we aimed to demonstrate the efficacy and safety of the repeated RIC for refractory benign esophageal strictures after surgical and non-surgical treatment.

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