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The aim of the study is to evaluate the diagnostic value of high definition endoscopy and optic enhancement in gastric neoplasia.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| High definition endoscopy and optic enhancement | All the patients underwent routine preparation before the procedure. The detected lesions in high definition endoscopy were observed with optic enhancement mode. The endoscopist was required to give the real-time descriptions of surface pit patterns of the lesions, based on surface pattern classification. After that, biopsy specimens will be obtained respectively by forceps from each detected lesion recorded for histologic diagnosis. |
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| Measure | Description | Time Frame |
|---|---|---|
| Sensitivity of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months | |
| Specificity of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months | |
| Positive predictive value of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months | |
| Negative predictive value of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months |
| Measure | Description | Time Frame |
|---|---|---|
| The inter-observer and intra-observer agreement of optic enhancement endoscopy in gastric neoplasia | 8 months |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with dyspeptic symptoms and aged 40 years or older, or with Helicobacter pylori infection, histologically verified gastric intestinal metaplasia or atrophic gastritis, or with family history of gastric cancer
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Yanqing Li, PhD. MD. | Contact | 18678827666 | liyanqing@sdu.edu.cn |
| Name | Affiliation | Role |
|---|---|---|
| Yanqing Li, PhD. MD. | Department of Gastroenterology, Qilu Hospital, Shandong University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Gastroenterology, Qilu Hospital, Shandong University | Recruiting | Jinan | Shandong | 250012 | China |
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