Randomized Controlled Trial Comparing the Franseen Needle With a Fork-tip Needle for EUS-guided Fine Needle Biopsy

Detailed Summary

Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) has been established as an effective technique for sampling tissue inside and around the gastrointestinal tract, including the pancreas, liver, lymph nodes, and adrenal glands. EUS-FNA is convenient, minimally invasive, and safe procedure with an estimated sensitivity of 75%-92% and a specificity of 82%-100%. Diagnosis of various pathologies in the GI tract including solid pancreatic masses, mediastinal or gastric lymph nodes, gastrointestinal submucosal lesions, and peri-rectal lesions require adequate tissue architecture and immunohistochemical analysis. This is difficult to obtain and is frequently insufficient with EUS-FNA cytology alone. The core tissue is required to improve the diagnostic yield and obtain histologic diagnosis along with immunostaining to establish specimen adequacy. In past 1 year two new needle EUS needle (Shark Core)and Acquire EUS needles has been introduced to improve diagnostic accuracy, tissue yield, and potentially obtain a core tissue sample. So far, no prospective studies have compared these two needles to see which one is better for overall diagnostic accuracy. Our goal is to perform a prospective analysis to compare the diagnostic yield and safety profile of these 2 new EUS needle.

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Interventions