colorectal tumor
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) The patients who underwent at least 1-time surveillance colonoscopy after cold snare polypectomy for colorectal cancers or dysplasias from January 2010 to August 2020. 2)The data of patients who underwent cold snare polypectomy by August 2019 were used to investigate the local recurrence after a year. 3)The data of patients who underwent cold snare polypectomy by August 2017 were used to investigate the local recurrence after three years.
Exclusion criteria
Exclusion criteria: 1) The patients who showed interest in opt-out for the present study 2) The patients with the possibility of contamination by a concomitant advanced colorectal cancer
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The local recurrence rate after cold snare polypectomy for colorectal cancers or dysplasias | — |
Countries
Japan
Contacts
Department of Medicine, Showa University School of Medicine Division of Gastroenterology