Patients who receive colonoscopy colon polyp, colonic neoplasia
Conditions
Interventions
endoscopy equipment used and the prior observation method
Sponsors
Ono Shoko
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who receive colonoscopy during study period.
Exclusion criteria
Exclusion criteria: Past history of inflammatory bowel disiases Patinets who are diagnosed as polyposis Past history of resection of cecum and ascending colon Patinets who can not receive polypectomy Patients for whom consent cannot be obtained or patients who are judged to be inappropriate subjects Patients who cannot confirm intention due to dementia or consciousness disorder Patients who are judged to be inappropriate as research subjects by the investigators
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The ratio of patients with colorectal adenomatous lesions detected by LCI and NBI | — |
Secondary
| Measure | Time frame |
|---|---|
| Ratio of the patients of diagnosed polyps with NBI and LCI Ratio of the patients of diagnosed adenomatous lesions with WLI and NBI, WLI and LCI Ratio of the patients of diagnosed adenomatous lesions and polyps with WLI Ratio of the patients of diagnosed adenomatous lesions by site Ratio of the patients of diagnosed adenomatous lesions by size Ratio of the patients of diagnosed adenomatous lesions by morphorogy Numbers of polyps per parient by each modality Ratio of the patients of diagnosed adenomatous lesions by bowel preparation Serious adverse events Obsevation time Miss ratio of polyp detaction Ratio of the number of diagnosed neoplastic lesions with experts and non-experts | — |
Contacts
Public ContactShoko Ono
Hokkaido University Hospital
Outcome results
None listed