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Funding issues
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Background: Preoperative pathologic diagnosis of subepithelial tumor (SET) can improve clinical decision making. Although EUS-guided fine needle aspiration (FNA) is currently considered the standard method for sampling SET, its diagnostic yield is generally suboptimal. EUS-guided fine needle biopsy (FNB) of SET is safe and feasible with adequate histology obtained.
Objective: To compare the diagnostic accuracy of EUS-FNA and EUS-FNB.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| EUS-FNA | Active Comparator | Device: 22G FNA needle |
|
| EUS-FNB | Experimental | Device: 20G FNB needle |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Device: 22G FNA needle | Procedure |
| ||
| Device: 20G FNB needle |
| Measure | Description | Time Frame |
|---|---|---|
| Diagnostic accuracy (proportion of correctly classified subjects (ture positive + true negative) among all subjects ) , compared to the gold standard diagnosis | Gold standard diagnosis is defined as;
| 12 months |
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Inclusion Criteria:
Exclusion Criteria:
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