Colorectal polyps
Conditions
Interventions
CSP:Firstly, resecting lesions by simple cold snare polypectomy. Secondly, screening the lesions margin by M-NBI/BLI and confirming that there is no residual lesion, 4 biopsies are taken from the lesi
CS-EMR:Firstly, lifting lesions through injecting diluted indigo carmine injection to the submucosa, and then resecting that lesions by cold snare polypectomy. Secondly, screening the lesions margin b
HS-EMR:Firstly, lifting lesions through injecting diluted indigo carmine injection to the submucosa, and then resecting that lesions by hot snare polypectomy. Secondly, screening the lesions margin by
Sponsors
The Third People’s Hospital of Chengdu
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Non-pedunculated polyps 10-15mm in size, lesions of II a, Is, Isp according to Paris Classification; 2. Lesions which JNET Classification are type 1-2A screened by M-NBI/BLI chromoendoscopy; 3. Subjects who voluntarily sign the written informed consent form.
Exclusion criteria
Exclusion criteria: 1. Pregnancy status; 2. Coagulation dysfunction (platelet 1.5); 3. Inability or refusal to sign the informed consent; 4. Take antiplatelet and anticoagulant drugs such as aspirin, polyvirol and rivaroxacin, and stop taking them for less than 1 week; 5. Active gastrointestinal bleeding and cancerous changes are found during the examination process; 6. Lesions that surface morphology are indented (0-IIc),or with pedicles, or finally defined as lesions of type 2B-type 3 according to JNET Classification through M-NBI/BLI .
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Intraoperative complications;Safety after resection;Operation time; | — |
Primary
| Measure | Time frame |
|---|---|
| Excision integrity; | — |
Countries
China
Contacts
Public ContactJing Shan
The Third People’s Hospital of Chengdu
Outcome results
None listed