Publications by authors named "Kasumi Sanada"

Objectives: There are patients who do not undergo colonoscopy even if the fecal immunochemistry test (FIT) results are positive and even with repeated positive test results the following year. We aimed to investigate colorectal cancer (CRC) risk in examinees with positive FIT results in our annual screening program.

Methods: We analyzed patients who underwent initial colonoscopy from April 2010 to March 2017 because of positive FIT results using an endoscopy database in our hospital.

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Article Synopsis
  • The study examines the relationship between fecal hemoglobin levels and colorectal cancer (CRC) risk in patients with varying colonoscopy histories.
  • Researchers analyzed data from 1248 FIT-positive patients from a screening program, categorizing them by whether they had not undergone colonoscopy, had one over 5 years ago, or within 5 years.
  • They found that while advanced neoplasia detection rates increased with fecal hemoglobin concentration in patients who hadn't had a colonoscopy, there was no significant association in those who had one recently, suggesting low CRC risk despite high hemoglobin levels in these patients.
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Background And Aim: Because the risk of colorectal cancer has not been well examined in fecal immunochemistry test (FIT)-positive patients who previously underwent colonoscopy, this study aimed to investigate this topic.

Methods: This was a single-center, observational study of prospectively collected data in Japan. FIT-positive, average-risk patients who underwent colonoscopy were divided into groups as follows: those who never underwent colonoscopy in the past (no colonoscopy group), those with a history of colonoscopy between 6 months and 5 years (0.

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Background: Underwater endoscopic mucosal resection (U-EMR) has emerged as an alternative technique for the resection of colorectal lesions. This study aimed to evaluate our initial experience using U-EMR.

Methods: This is a single-center, retrospective case series study.

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Background And Aim: The significance of examination time of esophagogastroduodenoscopy (EGD) for asymptomatic examinees is yet to be established. We aimed to clarify whether endoscopists who allot more examination time can detect higher numbers of neoplastic lesions among asymptomatic examinees.

Methods: We reviewed a database of consecutive examinees who underwent EGD in our hospital from April 2010 to September 2015.

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Background: Double-balloon enteroscopy (DBE) is a useful and epoch-making technique for small-bowel diseases. The single-balloon enteroscope (SBE) is a new instrument introduced by Olympus.

Objective: To evaluate a prototype of the SBE.

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