Endoscopic ultrasound-guided fine needle aspiration with 22- and 25-gauge needles in solid pancreatic masses: A prospective comparative study with randomisation of needle sequence

The difference in the diagnostic accuracy of 22- versus 25-gauge needles in EUS-FNA is not clear.To compare the rates of technical success, diagnostic accuracy and complications of EUS-FNA performed with 22-gauge and 25-gauge needles on the same solid pancreatic mass.All patients with solid pancreatic masses evaluated from September 2007 to December 2008 were enrolled and underwent EUS-FNA with both 22- and 25-gauge needles with randomisation of...