early gastric cancer, depressed type
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The patients who have an early gastric cancer treated by ESD (endoscopic submucosal dissection)
Exclusion criteria
Exclusion criteria: 1. The patients who rejected informed consent. 2. The patients who were treated by chemotherapy or radiation therapy. 3. The patients without tolerability for prolonged sedation. 4. The diameter of lesion is more over 4cm in size.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy rate of the diagnosis of histological type (White light endoscopy, NBI magnified endoscopy vs. acetic acid NBI magnified endoscopy) | — |
Countries
Japan
Contacts
Saku Central Hospital Gastroenterology