José Eduardo Martins Barbosa

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INTRODUCTION Most gastric tumors are adenocarcinomas. Primary gastric adenosquamous carcinoma is a rare malignancy, mostly associated with Asian populations. It constitutes less than one percent of all gastric carcinomas and its clinical presentation is the same as adenocarcinoma. It occurs more frequently in the proximal stomach, usually presents with(More)
INTRODUCTION Gastrointestinal stromal tumors (GIST) are uncommon, potentially malignant tumors, that arise in the wall of the gastrointestinal tract. Up to 50% can develop metastasis, mainly in the liver, but the occurrence of synchronous primary liver tumors is a rare event in these patients. PRESENTATION OF CASE The authors report a case of the(More)
BACKGROUND Approximately 30% of perioperative CVA of myocardial revascularization surgery (MRS) are a result of carotid injuries, without reduction of risk confirmed by perioperative intervention. OBJECTIVES Evaluate the impact of carotid disease and perioperative intervention in patients subjected to MRS. METHODS Observational, retrospective study,(More)
BACKGROUND Considerable controversy persists about the biological behavior of gastric stump cancer (GSC). The aim of this study is to clarify if this cancer is just another proximal gastric cancer or if it emerges as a distinctive clinicopathologic entity. METHODS This review of a prospectively collected gastric cancer database identified 73 patients with(More)
Brunner's gland hyperplasia is a very rare lesion of the duodenum, which is usually asymptomatic and diagnosed incidentally during upper gastrointestinal endoscopy. It can cause gastrointestinal bleeding but hemorrhagic shock is a rare clinical presentation of Brunner's gland hyperplasia. The authors present a case of a patient with hemorrhagic shock due to(More)
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