Endoscopic-ultrasound guided fine needle aspiration cytology of intraductal papillary-mucinous neoplasms of the pancreas: Report of two cases and review of the literature E. Tejerina González * , A. López García, C. González Lois, F. Fernández García, A. Herreros de Tejada, E. Sanz * HU Puerta de Hierro-Majadahonda, Dept. de Anatomía Patológica, Spain