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Endoscopic ultrasound-guided fine-needle aspiration procedure and its diagnostic accuracy
| Puncture position | Stomach/duodenum | 25/29 |
| Needle size | 19-gauge | 5 |
| 22-gauge | 43 | |
| 25-gauge | 9 | |
| Puncture number, range (mean) | 1-5 (2.6) | |
| Mean duration from EUS-FNA to surgery (d) | 22.3 | |
| Accuracy of cytology diagnosis | 98.1% (53/54) | |
| Accuracy of histology diagnosis | 77.8% (42/54) | |
EUS-FNA: Endoscopic ultrasound-guided fine-needle aspiration.
