Clinical Study
Endoscopic Submucosal Dissection for Gastric Subepithelial Tumors: A Single-Center Experience
Table 1
Characteristics of the patients and subepithelial tumors.
| | Median age, years (range) | 58 (26–71) | | Gender, (%) | | | Male | 17 (35) | | Female | 32 (65) | | Tumor location, (%) | | | Upper third | 19 (39) | | Middle third | 11 (22) | | Lower third | 19 (39) | | Directional distribution, (%) | | | Anterior wall | 12 (24) | | Posterior wall | 17 (35) | | Lesser curvature | 7 (14) | | Greater curvature | 13 (27) | | Tumor size, (%) | | | ≤20 mm | 42 (86) | | >20 mm | 7 (14) | | Layer of tumor origin, (%) | | | Submucosa | 40 (82) | | Muscularis propria | 9 (18) | | Pathological diagnosis, (%) | | | Well-differentiated neuroendocrine tumor | 14 (29) | | Inflammatory fibrinoid polyp | 11 (22) | | Gastrointestinal stromal tumor | 7 (14) | | Ectopic pancreas | 4 (8) | | Lipoma | 4 (8) | | Granular cell tumor | 3 (6) | | MALT lymphoma | 2 (4) | | Leiomyoma | 1 (2) | | Schwannoma | 1 (2) | | Fibroma | 1 (2) | | Duplication cyst | 1 (2) |
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MALT: mucosa-associated lymphoid tissue.
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