early colorectal carcinoma
Conditions
Interventions
Gold Standard:pathology
Index test:The accuracy of endoscopists diagnosing early colorectal cancer with endocytoscopes.
Sponsors
Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Endoscopists: (1) Endoscopists from our department; (2) Specilizing in ordinary colonoscopy, magnifying endoscopy + NBI with >=100 cases; 2. Patients: (1) Age >=18 years; (2) Suitable for endoscopic technology and treatment; (3) Current patients with colorectal lesions confirmed by white light endoscopy and/or narrow-bind imaging; (4) Patients undergoing colonoscopy or follow-up of colonic lesions; (5) Patients who are willing and able to provide written informed consent to participate in the study and to follow the study procedures; (6) Patients who are willing to accept examination requirements, such as consent to take biopsies for histopathological examination.
Exclusion criteria
Exclusion criteria: 1. Endoscopists: Endoscopists who withdrew from the study for personal reasons. 2. Patients: (1) After colorectal resection; (2) Colonic melanosis, sessile serrated lesions; (3) Patients taking anti-plate, anticoagulant drugs, or with abnormal coagulation function: INR > 1.5 and uncorrectable bleeding disease; Platelets < 50,000/mm3; (4) Pregnant patients; (5) Patients participating in another clinical trial that may affect the data collectors in this study; (6) Patients with vital organ dysfunction or severe cardio-cerebrovascular disease who cannot tolerate endoscopic treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy;sensitivity;specificity;positive predictive value;negative predictive value; | — |
Countries
China
Contacts
Public ContactPeng Li
Beijing Friendship Hospital, Capital Medical University
Outcome results
None listed