Table 6 Comparison of the endoscopic ultrasonography (EUS) characteristics of stromal tumors and their categorization into one of two groups based on the risk of invasion
EUS characteristic | VLR + LR (n = 96) | IR + HR (n = 11) | p |
|---|---|---|---|
Diameter measured under EUS | |||
≤ 3 cm | 75 | 1 | 0.000*** |
> 3 cm | 21 | 10 | |
Surface ulcer | |||
Yes | 17 | 7 | 0.002** |
No | 79 | 4 | |
Clear boundary | |||
Yes | 63 | 8 | 0.747 |
No | 33 | 3 | |
Regular shape | |||
Yes | 46 | 4 | 0.467 |
No | 50 | 7 | |
Echo intensity | |||
Low | 92 | 10 | 0.425 |
Not low | 4 | 1 | |
Echo heterogeneity | |||
Yes | 27 | 1 | 0.282 |
No | 69 | 10 |