Factors affecting the diagnostic accuracy of endoscopic ultrasonography-guided fine-needle aspiration (EUS-FNA) for upper gastrointestinal submucosal or extraluminal solid mass lesions

Digestive Endoscopy, 04/23/2012

Overall, 25 and 22 gauge needles have a similar diagnostic accuracy. The results suggest that 3.0 or more needle passes and combined cytologic–histologic analysis enhance the diagnostic accuracy of endoscopic ultrasonography (EUS)–guided fine–needle aspiration (EUS–FNA).

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