[Gastric tricobezoar: a rare cause of tumoral syndrome and pyloric obstruction].

Unlabelled: A Trichobezoar is a rare tumoral mass of the gastrointestinal tract, formed mainly from the ingestion of hair. It contains also mucus and foods debris.

Case Presentation: A 22 years old female with a 10 years history of surgery secondary to gastric foreign body (trichobezoar), presents with abdominal pain, swelling, nausea and vomiting.

Risk factors associated with the development of hyperamylasemia and post-ERCP pancreatitis in the Cuban National Institute.

Context: Acute pancreatitis is the most common complication in ERCP, and some risk factors were associated with the development of hyperamylasemia and post-ERCP pancreatitis.

Objectives: identifying new factors associated with the development of hyperamylasemia or post-ERCP pancreatitis in patients attended at our center.

Material And Methods: A (retrospective) cohort study was carried out in 170 patients on which a diagnostic-therapeutic ERCP was done due to biliopancreatic disease.

[Bouveret Syndrome. First case diagnosed in Santa Maria del Socorro, Ica, Peru].

We are presenting an case of a patient with upper gastrointestinal bleeding presented as hematemesis preceded by profuse vomiting secondary to a duodenal obstruction, caused by an impacted giant biliary stone in the duodenal bulb (Bouveret syndrome). The diagnosis was made during an upper gastrointestinal endoscopy and confirmed by surgery. We report and discuss this case as it is the first presentation in our institution.

Chromoendoscopy with red phenol in the diagnosis of Helicobacter pylori infection.

An analytic study to validate a diagnostic test was carried out at the Institute of Gastroenterology in Havana, Cuba in adult patients of both sexes in whom chromoendoscopy was carried out with red phenol at 0.1% over the gastric mucosa for the detection of Helicobacter pylori infection between November 2008 and December 2010. The staining with red phenol at 0.