Prospective comparison study of franseen needle and standard needle use for pancreatic lesions under EUS guidance

A needle with Franseen geometry for fine needle aspiration is now available. However, no reports have described prospective evaluations of the Franseen needle or comparisons with the standard needle. The aim of this comparative prospective study was to evaluate the histological diagnostic yield of the Franseen needle and the standard needle using tissue obtained by a single pass of each for the same lesion.In this study, only tissue obtained by...