Table 3.
Clinicopathological features of neoplastic lesions (non-inflammation) detected by linked color imaging and Lugol chromoendoscopy, n (%)
|
Item
|
Detected by LCI, n = 36 patients/38 lesions
|
Detected by LCE, n = 39 patients/41 lesions
|
P
value
|
|
| Lesion location | 0.969 | |||
| Upper | 3 (7.9) | 3 (7.3) | ||
| Middle | 11 (28.9) | 11 (26.8) | ||
| Lower | 24 (63.2) | 27 (65.9) | ||
| Morphologic type | 0.902 | |||
| I | 1 (2.6) | 1 (2.4) | ||
| IIa | 9 (23.7) | 8 (19.5) | ||
| IIb | 18 (47.4) | 24 (58.5) | ||
| IIc | 9 (23.7) | 7 (17.1) | ||
| III | 1 (2.6) | 1 (2.4) | ||
| Size in mm | 0.814 | |||
| ≤ 10 | 14 (36.8) | 18 (43.9) | ||
| 10-20 | 3 (7.9) | 3 (7.3) | ||
| > 20 | 21 (55.3) | 20 (48.8) | ||
| Pathology | 0.998 | |||
| LGIN | 18 (47.4) | 21 (51.2) | ||
| HGIN | 3 (7.9) | 3 (7.3) | ||
| ESCC | EP/LPM | 3 (7.9) | 3 (7.3) | |
| MM/SM1 | 1 (2.6) | 1 (2.4) | ||
| ≥ SM2 | 13 (34.2) | 13 (31.7) | ||
| Procedure time (s), median (IQR) | 42 (34, 50) | 160 (130, 189) | < 0.0011 | |
1
P value < 0.01.
EP: Epithelial; ESCC: Esophageal squamous cell carcinoma; HGIN: High-grade intraepithelial neoplasia; IQR: Interquartile range; LCE: Lugol chromoendoscopy; LCI: Linked color imaging; LGIN: Low-grade intraepithelial neoplasia; LPM: Lamina propria mucosa; MM: Muscularis mucosa; SM1: Submucosa invading ≤ 200 μm below the inferior margin of the muscularis mucosa; SM2: Submucosa invading > 200 μm below the inferior margin of the muscularis mucosa.