Table 3.
Preoperative endoscopic findings of esophageal intramucosal neoplasm
| SA (n = 9) | SH (n = 10) | P a | |
|---|---|---|---|
| Histological type, n (%)b | |||
| Intraepithelial neoplasia | 1.000 | ||
| Squamous intraepithelial neoplasia | 1 (11.1) | 2 (20.0) | |
| Malignant epithelial neoplasm | |||
| Squamous cell carcinoma | 5 (55.6) | 4 (40.0) | |
| No biopsy done | 3 (33.3) | 4 (40.0) | |
| Neoplasm location, n (%) | |||
| Upper thoracic esophagus | 1 (11.1) | 4 (40.0) | 0.164 |
| Middle thoracic esophagus | 6 (66.7) | 6 (60.0) | |
| Lower thoracic esophagus | 2 (22.2) | 0 (0.0) | |
| Macroscopic classification, n (%) | |||
| 0–II b | 2 (22.2) | 3 (30.0) | 1.000 |
| 0–II c | 7 (77.8) | 7 (70.0) | |
| Neoplasm size (mm), n (%) | |||
| 5–9 | 1 (11.1) | 2 (20.0) | 1.000 |
| 10–14 | 1 (11.1) | 2 (20.0) | |
| 15–20 | 7 (77.8) | 6 (60.0) | |
a
Fisher's exact test.
b
Histological type in biopsy with preoperative endoscopy.
SA, sodium alginate; SH, sodium hyaluronate.