Elsevier, Gastrointestinal Endoscopy, 3(84), p. 424-433.e2, 2016
DOI: 10.1016/j.gie.2016.01.068
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EUS-guided FNA or biopsy sampling is widely practiced. Optimal sonographic visualization of the needle is critical for image-guided interventions. Of the several commercially available needles, bench-top testing and direct comparison of these needles have not been done to reveal their inherent echogenicity. The aims are to provide bench-top data that can be used to guide clinical applications and to promote future device research and development.