A 44-year-old woman underwent gastric bypass surgery in 2004. One year later, she began to complain of intermittent melena associated with nausea and right upper quadrant (RUQ) pain, which required 1 to 2 units of packed red blood cell transfusions per year. In July 2007, she presented to the emergency department with 2 episodes of bright red blood per rectum associated with syncope. Upper endo...

BACKGROUND Obesity has recently been cited as the number one killer in the USA. This problem is both a national and regional epidemic. The health care costs of obesity and obesity-related illnesses are ever increasing, and gastric bypass surgery is becoming a popular treatment strategy. Recently, reports describe not only surgical outcomes, but also quality of life outcomes. The bigger issue of...

A 61-year-old man was referred to our hospital to treat extrahepatic portal venous obstruction. Endoscopic injection sclerotherapy (EIS) was performed for the esophageal varices; however, the patient returned with massive hematemesis from gastric varices 6 months after treatment. Although the varices were treated with EIS, gastric devascularization and splenectomy concomitant with shunt surgery...

Abstract Aim Bariatric surgery has been the most efficient treatment option for moderate to severe obesity. Recently, sleeve gastrectomy (SG) become widely performed bariatric surgery. However, one-anastomosis gastric bypass (OAGB) exponentially increased recently and is associated with excellent short- long-term weight loss benefits. Hence, aim of this review compare effectiveness OAGB vs SG i...

BACKGROUND Currently, bariatric surgery is the most effective therapy for morbid obesity, and the laparoscopic approach is considered gold-standard for Roux-en-Y gastric bypass. Totally robotic Roux-en-Y gastric bypass has been proposed as a major evolution in minimally invasive bariatric surgery and its use is becoming more widespread. AIM To provide an early report of the first Brazilian ca...

The Roux-en-Y gastric bypass is one of the most common procedures currently performed for surgical treatment of patients with severe obesity. Gastric cancer after bariatric surgery is not common, with most of them arising in the excluded stomach. Gastric mixed adenoneuroendocrine carcinomas are a rare type of stomach malignancy, composed of both adenocarcinoma and neuroendocrine tumor-cell comp...