Table 2 Distributions of submucosal lesions (SMLs) in the upper digestive tract based on histopathology
Pathological result | Esophagus | Stomach | Duodenum | Total | Percentage | p |
|---|---|---|---|---|---|---|
Stromal tumor | 6 | 96 | 5 | 107 | 46.3 | 0.001** |
Leiomyoma | 52 | 22 | 1 | 75 | 32.5 | 0.001** |
Heterotopic pancreas | – | 11 | 2 | 13 | 5.6 | 0.011* |
Schwannoma | – | 11 | – | 11 | 4.8 | 0.080 |
Inflammation | 1 | 8 | 1 | 10 | 4.3 | 0.222 |
Benign cyst | 2 | 2 | – | 4 | 1.7 | 0.416 |
Glomus tumor | – | 4 | – | 4 | 1.7 | 0.640 |
Angiolipoma | – | 3 | – | 3 | 1.3 | 0.606 |
Hamartoma | – | 1 | – | 1 | 0.4 | 1.000 |
Solitary fibroma | 1 | – | – | 1 | 0.4 | 0.311 |
Haemo-lymphangioma | 1 | – | – | 1 | 0.4 | 0.311 |
Angiogenic tumor | – | 1 | – | 1 | 0.4 | 1.000 |
Total | 63 | 159 | 9 | 231 | 100 |