Comparison of stool immunoassay with standard methods for detection of Helicobacter pylori infection in patients with upper-gastrointestinal bleeding of peptic origin.

Objective: To assess the accuracy of the determination of Helicobacter pylori infection by a stool immunoassay in patients with upper-gastrointestinal bleeding (UGB) of peptic origin, in comparison with the routine histological study, serology, rapid urease and 13C-breath tests.

Methods: Sixty-eight patients with endoscopically proven UGB of peptic origin were included. The presence of H.

Acute pancreatitis secondary to pancreatic neuroendocrine tumours.

Context: Pancreatic neoplasms are an uncommon aetiology of acute pancreatitis. Pancreatic neuroendocrine tumours are a rare subgroup of pancreatic neoplasms.

Case Report: We report on three patients having acute pancreatitis secondary to pancreatic neuroendocrine tumours, one of them with severe pancreatitis, and review the published cases up to now.