The Learning Curve of NBI With Magnification in the Diagnosis of Colorectal Lesions

Zhizheng Ge

Status: Completed

Conditions: Colorectal Lesion

Study type: Observational

Funder types: Other

Identifiers

NCT01431703

rjyyxhk0923

Details and patient eligibility

About

It exists a learning curve in using NBI with magnification to differentiating colorectal lesions.

Full description

It is very useful to use narrow-band imaging and Sano CP analysis in the differential diagnosis of colorectal lesions. The endoscopists who had never used NBI or no knowledge of NBI can have effective and stable diagnostic accuracy after using NBI with magnification to diagnose 15 target and non-target lesions respectively.

Enrollment: 326 patients

Sex: All

Ages: 16 to 85 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Ages 16 to 85
• Any patient undergoing NBI with magnification colonoscopy exam and found with colorectal lesions

Exclusion criteria

• Unwilling to consent
• Had surgery of colorectal tumors
• Using NSAIDS
• Diagnosed or suspected IBD
• Familial adenomatous polyposis(FAP) or hereditary non-polyposis colorectal(HNPCC) or other hereditary disease