Modern aspects of the management of pancreatic intraductal papillary mucinous neoplasms: a narrative review.

Intraductal papillary mucinous neoplasms (IPMNs) account for approximately 35% of all cystic tumors in the pancreas and represent the largest subgroup. They are characterized by mucin production and intraductal papillary epithelium growth. IPMNs range from benign to malignant lesions.

Pre- and postoperative esophageal and gastric pH levels in morbidly obese patients undergoing vertical gastroplasty.

Background: The aim of this study was to determine whether the anatomicofunctional changes induced by vertical gastroplasty lead to pH alterations in the esophagus and body and antrum of the stomach.

Materials And Methods: 23 non-smoking volunteers (3 men, 20 women) mean age 35.29 +/- SD 6.