Clinical Study
The Efficacy of Endoscopic Submucosal Dissection of Type I Gastric Carcinoid Tumors Compared with Conventional Endoscopic Mucosal Resection
Table 3
Microscopic findings of resected carcinoid tumors.
| | | EMR () | ESD () | value |
| | Lymphovascular findings | | | | | Lymphatic invasion, (%) | 1 (2.1) | 0 (0.0) | 0.138 | | Vascular invasion, (%) | 0 (0.0) | 0 (0.0) | NA | | Invading to muscular propria, (%) | 0 (0.0) | 0 (0.0) | NA | | Mitotic index | | | | | <2/HPF, (%) | 46 (95.8) | 37 (94.9) | >0.999 | | 2–20/HPF, (%) | 2 (4.1) | 2 (5.1) | | Ki 67 index | | | | | <2%, (%) | 38 (79.2) | 34 (87.2) | 0.404 | | 3–20%, (%) | 10 (42.7) | 5 (12.8) |
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EMR: endoscopic mucosal resection, ESD: endoscopic submucosal dissection, and NA: not accessible.
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