Table 2

Distribution of histology for oesophageal surface patterns seen during NBI

AreasNo IMIMLGDHGDOAC
Circular mucosal pattern337 (21)23 (70)3 (9)0 (0)0 (0)
 Normal vascular pattern317 (22)21 (68)3 (10)0 (0)0 (0)
 Abnormal vascular pattern20 (0)2 (100)0 (0)0 (0)0 (0)
Ridged/villous mucosal pattern14339 (27)80 (56)24 (17)0 (0)0 (0)
 Normal vascular pattern13237 (28)74 (56)21 (16)0 (0)0 (0)
 Abnormal vascular pattern102 (20)5 (50)3 (30)0 (0)0 (0)
 Unknown vascular pattern10 (0)1 (100)0 (0)0 (0)0 (0)
Irregular mucosal pattern691 (1)23 (33)27 (39)14 (20)4 (6)
 Normal vascular pattern140 (0)8 (57)4 (28)2 (14)0 (0)
 Abnormal vascular pattern551 (2)15 (27)23 (42)12 (22)4 (7)
Absent mucosal pattern196 (31)6 (31)7 (37)0 (0)0 (0)
 Normal vascular pattern145 (36)4 (28)5 (36)0 (0)0 (0)
 Abnormal vascular pattern51 (20)2 (40)2 (40)0 (0)0 (0)
  • Results are shown as number (%).

  • OAC, oesophageal adenocarcinoma; HGD, high-grade dysplasia; IM, intestinal metaplasia; LGD, low-grade dysplasia.