Table 1 Description of en face and cross-sectional O2E features for classifying different BE mucosal types, mean ± s.d
Mucosal type | En face features | Cross-sectional features | |||||
---|---|---|---|---|---|---|---|
EP inhomogeneity (a.u.) | Tumour vascular pattern | Mucosa stratification can be seen in OCT images | Glands exist within EP | Transparent glands exist in OCT images | OCT penetration (µm) | Vascular depths in OPAM (µm) | |
NSM | 0.098 ± 0.02 | No | Yes | No | No | 726 ± 43 | 534 ± 114 |
GM | 0.14 ± 0.04 | No | No | No | No | 316 ± 35 | 328 ± 87 |
IM | 0.15 ± 0.02 | No | Likely (in 75% ROIs) | Yes | No (mean transparency 69% (a.u.)) | 599 ± 29 | 264 ± 59 |
D | 0.19 ± 0.08 | No | Possibly (in 26% ROIs) | Yes | Yes (mean transparency 85% (a.u.)) | 584 ± 27 | 284 ± 92 |
IMC | 0.14 ± 0.02 | Yes | No | No | No | 346 ± 24 | 276 ± 35 |