1) "Buried Barrett's" 2) Occult buried glandular mucosa
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Age > 18 * 80 years; - Patients post RFA treatment with 100% endoscopic regression of Barrett*s epithelium; - Minimum circumferential Barrett*s extent of 2 cm prior to ablation therapy; - Signed informed consent.
Exclusion criteria
Exclusion criteria: - Presence of significant stenosis; - Presence of erosive esophagitis; - Inability to undergo ER and/or obtain biopsies (e.g. due to anticoagulation, coagulation disorders, varices); - Unable to provide signed informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Presence of structures suggesting BB on VLE; - VLE characteristics of buried glands (e.g. sparsely distributed hyposcattering structures underneath NSE with various sizes and shapes) - Number of glands - Size of glands - Location of glands from GEJ - Depth level of glands Presence of structures suggesting of BB in ER specimens and, if present: - Number of glands - Size of glands - Location of glands from GEJ - Depth level of glands - Histology: Intestinal metaplasia, Dysplasia Correlation of OFDI images with corresponding histology of ER specimen | — |
Secondary
| Measure | Time frame |
|---|---|
| - | — |
Countries
Netherlands