Colorectal polyps
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Epithelial lesions of the colon measuring 10 mm or less in diameter imaged at the Digestive Disease Center, Showa University Northern Yokohama Hospital from July 1, 2021 to the end of January, 2022 2. lesions taken from patients who have not expressed their refusal to participate in this study 3. lesions taken from patients who were 20 years of age or older at the time of examination
Exclusion criteria
Exclusion criteria: 1. lesions for which no NBI images have been captured 2. lesions for which the NBI images taken are too blurred to be annotated 3. lesions for which only images showing multiple lesions were taken 4. lesions imaged from patients with inflammatory bowel disease 5. lesion imaged from a patient with polyposis
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To test whether the sensitivity of physicians to neoplastic lesions is improved by the use of AI with statistical significance. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. physician's specificity, accuracy, PPV, and NPV for neoplastic lesions 2. sensitivity, specificity, accuracy, PPV, and NPV of neoplastic lesions less than 5 mm when the physician diagnosed with high confidence 3. percentage of lesions that the physician could diagnose with high confidence | — |
Countries
Japan
Contacts
ShowaUniversityNorthernYokohamaHospital Digestive Disease Center