From: Endoscopic submucosal dissection of esophageal granular cell tumor
Classification | Number | Time cost (mean ± deviation) minutes | P-value | |
---|---|---|---|---|
Size | Small tumor (≤10 mm) | 8 | 31.9 ± 5.9 | 0.005 |
Large tumor (>10 mm) | 6 | 46.7 ± 8.2 | ||
Location in the esophagus | Distal part (>32 cm) | 8 | 40.6 ± 10.5 | 0.316 |
Proximal part (≤32 cm) | 6 | 35.0 ± 9.5 | ||
Depth of the tumor origin | Submucosal layer | 8 | 41.3 ± 11.3 | 0.181 |
Muscularis mucosa layer | 6 | 34.2 ± 7.4 | ||
Total | 14 | 38.2 ± 10.1 |