gastric mucosal lesion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Retrospective study: 1. Patients who have undergone upper gastrointestinal endoscopy screening at the Department of Gastroenterology, Peking Union Medical College Hospital from 2012 to present. 2. Age range: 18 to 85 years old. 3. Complete clinical, endoscopic, and pathological information available. Prospective study: 1. Age range: 18 to 85 years old who will undergo upper gastrointestinal endoscopy screening 2. Informed consent was obtained
Exclusion criteria
Exclusion criteria: Retrospective study: 1. History of upper gastrointestinal surgery 2. Poor quality of endoscopic images 3. Patient refusal to participate in this project Prospective study: 1.Unable to cooperate with endoscopy procedure 2. History of upper gastrointestinal surgery 3. Patient refusal to participate in this project
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| Precision;Sensitivity;Specificity; | — |
Countries
China
Contacts
Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC)