Retroperitoneal epithelioid sarcoma: A case report.

Epithelioid sarcoma (ES), a mesenchymatous malign neoformation, is often diagnosed in later stages and associated with high recurrence index, metastasis and mortality. We report a case of a 65 years old male, with history of abdominal pain and upper gastrointestinal bleeding. Endoscopy demonstrated a posterior duodenal wall perforation communicating with a solid retroperitoneal neoformation.

[Prevalence of Barrett's esophagus in non-selected patients submitted to esophagogastroduodenoscopy and associated risk factors].

Objective: To establish the prevalence of the Barrett esophagus (BE) in non-selected patients who underwent upper gastrointestinal endoscopy (UGE) and identified risk factors associated.

Methods: Case-control study on patients who underwent UGE between 2001-2003. Demographic data was gathered as well as the presence of esophagitis, H.