duodenal lesions
Conditions
Interventions
None listed
Sponsors
Keio University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: patients undergoing upper gastrointestinal endoscopy at our hospital oncology center, division of research and development for minimally invasive therapy
Exclusion criteria
Exclusion criteria: 1) patients with impossibility for the adaptation according to the guideline for antithrombotic drugs of japanese gastroenterological endoscopy society 2) patients with disorder about the function of blood coaglation 3) patients with severe organ dysfunction 4) patients with a history of upper gastrointestinal surgery 5) familial adenomatous polyposis patients 6) lesions for which biopsy has already been performed 7) lesions diagnosed as submucosal tumor, erosion or ulcer by endoscopist 8) patients who have already entered this study once during the study period 9) patients with another inappropreate reasons judged by the doctor
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy for neoplastic lesions of our suggested diagnostic algorithm | — |
Secondary
| Measure | Time frame |
|---|---|
| To validate following items of our suggested diagnostic algorithm. 1) sensitivity / specificity / positive predictive value / negative predictive value for neoplastic lesions 2) sensitivity / specificity / positive predictive value / negative predictive value for non neoplastic lesions 3) differences in diagnostic rates by endoscopic diagnostic proficiency 4) differences in diagnostic rates by endoscope equipment | — |
Countries
Japan
Contacts
Public ContactYoko Kubosawa
Keio University, school of medicine Gastroenterology
Outcome results
None listed