Double pylorus (review of the literature and cases contribution)

: The Authors describe two cases of "double pylorus" came to their observation. Such name mean the presence of a peri-pyloric gastro-duodenal fistula carrying out a second duct which lead in communication the gastric antrum with the upper part of duodenal bulb. Because of rarity of this pathology (58 cases are described in the literature) its frequency are usually undervalved, as well since the clinic no presents a special features in comparison with other diseases of the upper gastrointestinal tract.