gastric low-grade intraepithelial neoplasia
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) To be diagnosed as category 3 of Vienna classification (equivalent to Group 3 (and Group 4) of Japanese Classification of Gastric Carcinoma March 2010 (The 14th Edition)) pathologically by endoscopic forceps specimen. 2) Not to be accompanied with ulcer. 3) age >= 20 years old. 4) Written informed consent has been obtained.
Exclusion criteria
Exclusion criteria: 1) To have bleeding tendency. 2) Unable to interrupt anticoaglant for ER. 3) To be judged inapropriate to participate this trial by contact person.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The proportion of patients diagnosed as cancer after ER by central review among patients with category 3 of Vienna classification diagnosed by endoscopic forceps biopsy specimen by central review. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) The proportion of patients diagnosed as cancer after ER by central review of histology among all included patients. 2) The short-term outcomes of ER. Rate of adverse event (based on NCI-CTCAE ver. 4.0) En bloc margin negative rate of ESD Procedure duration 3) Histological findings of resected specimen. histological type presence or absence of vessels involvement horizontal and vertical margin 4) Endoscopic findings. macroscopic type (based on Paris classification) the size of lesion color surface pattern the findings of NBI Magnified Endoscopy | — |
Countries
Japan
Contacts
Osaka University Graduate School of Medicine Department of Gastroenterology and Hepatology