Clinical Study

Usefulness of Background Coloration in Detection of Esophago-Pharyngeal Lesions Using NBI Magnification

Table 1

Histological diagnosis for 294 esophago-pharyngeal lesions. More than 90% of BC positive lesions were histologically confirmed as HGIN or SCC. On the other hand, 80.0% of BC negative group were diagnosed as noncancer, .

ā€‰BC positive
(209 lesions)
BC negative
(85 lesions)

Invasive squamous cell carcinoma113
(99.1%)
1
(0.9%)
HGIN74
(82.2%)
16
(17.8%)
LGIN7
(20.6%)
27
(79.4%)
Nonatypia15
(26.8%)
41
(73.2%)