Tu1405 EVALUATION OF THE NEW 22-GAUGE EUS GUIDED BIOPSY NEEDLE (ACQUIRE) COMPARING TO ANOTHER NEW 20-GAUGE FNA NEEDLE WITH FORWARD-CUTTING BEVEL (PROCORE) IN PATIENTS WITH AUTOIMMUNE PANCREATITIS: A MULTICENTER RANDOMIZED TRIAL IN WEST JAPAN

Histopathological diagnosis is important for diagnosing autoimmune pancreatitis (AIP). However, specimens obtained by endosonographic ultrasound-guided fine needle aspiration (EUS-FNA) are not recommended because its amount is considered to be insufficient for histologic evaluation required for diagnosing AIP. Recently, new core biopsy needles for fine-needle biopsy (FNB) have been developed. In this study, we prospectively evaluated 2 different...