Early gastric cancer
Conditions
Interventions
Not grouped:Observations: 1) Basic information. Includes gender, age, and Helicobacter pylori infection (pylori helicobacter antibodies), PGR (serum pepsinogen I to serum pepsinogen II ratio), gastrin
8~10 clear images were taken under white light and LCI at the lesion site, respectively. Includes images from different distances (long, medium, close-up) and angles. Weak magnification of the lesion
Sponsors
Beijing Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: 1)Gastroscopy in the Digestive Endoscopy Center of Beijing Hospital; 2)The patient signed the informed consent form and was able to cooperate with the gastroscopy, including white light gastroscopy, LCI and magnification mode; 3)Gastric cancer or not gastric cancer was pathologically confirmed by biopsy or endoscopic subabrial dissection; 4)Clear images of white light gastroscopy, LCI and magnification mode containing the area of suspected gastric cancer.
Exclusion criteria
Exclusion criteria: 1)Inability to tolerate gastroscopy; 2)Lesions with advanced gastric cancer that have been clearly diagnosed.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy;Sensitivity;Specificity; | — |
Countries
China
Contacts
Public ContactLi Zhao
Beijing Hospital
Outcome results
None listed