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What are common subepithelial lesions and their EUS characteristics
Common Subepithelial Lesions and EUS Characteristics
| Subepithelial Lesion | EUS Characteristic |
|---|---|
| Gastrointestinal stromal tumor | Hypoechoic, second or fourth layer |
| Lipoma | Hyperechoic, third layer |
| Carcinoid | Mildly hypoechoic, second or third layer |
| Cyst | Anechoic, second or third layer |
| Pancreatic rest | Hypoechoic or heterogeneous, second, third, or fourth layer |
| Granular cell tumor | Hypoechoic, second or third layer |
| Varices | Anechoic, serpiginous, second or third layer |
| Inflammatory fibroid polyp | Hypoechoic, second or third layer |
