A prospective randomized study comparing 25-G and 22-G needles of a new platform for endoscopic ultrasound-guided fine needle aspiration of solid masses

Background A new needle platform for endoscopic ultrasound-guided fine-needle aspiration biopsy has been developed that allows interchangeability of all needle sizes. Aims To prospectively compare the efficacy of the new 25-G needles and 22-G needles for obtaining an adequate aspirate of solid masses. Methods Randomized controlled trial of 144 patients referred for endoscopic ultrasound-guided fine-needle aspiration of solid pancreatic masses,...