Mario Vassallo

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BACKGROUND The primary aim of the study was to estimate the incidence of Crohn's disease (CD) and ulcerative colitis (UC), collectively known as inflammatory bowel disease (IBD), in Malta in a well-defined population during a 13-year study period. METHODS Diagnostic criteria for CD and UC were defined. A diagnosis of IBD was obtained from the(More)
A 30-year-old male suffered from acute abdomen following duodenal biopsy taken at esophagogastroduodenoscopy (EGD). Exploratory laparotomy showed a large retroperitoneal hematoma arising from the second part of the duodenum that was then treated conservatively. To the authors' knowledge, this is the first case of extensive retroperitoneal hematoma following(More)
A young lady with a long history of recurrent infections was referred to the gastroenterology department by an infectious disease consultant because of a long history of profuse diarrhoea. A nitroblue tetrazolium (NBT) test performed in her mid-teens had shown zero reduction of the dye. The clinical, biochemical, radiological and endoscopic findings were(More)
BACKGROUND Irritable bowel syndrome (IBS) is a complex condition with multiple factors contributing to its aetiology and pathophysiology. Aetiologically these include genetics, life-time events and environment, and physiologically, changes in motility, central processing, visceral sensitivity, immunity, epithelial permeability and gastrointestinal(More)