Rafael F. Perini

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Laparoscopic cholecystectomy (LC) is the treatment of choice for gallstones. There is an increased incidence of bile duct injuries in LC compared with the open technique. Isolated right segmental hepatic duct injury (IRSHDI) represents a challenge not only for management but also for diagnosis. We present our experience in the management of IRSHDI, with(More)
BACKGROUND Bleeding as a complication of endoscopic sphincterotomy is influenced by several factors. The objective of this study was to compare rates of bleeding after sphincterotomy performed with two different electrosurgical current generators (Valleylab SSE2L and ERBE ICC200). METHODS A total of 6179 consecutive reports of ERCP were analyzed to(More)
BACKGROUND The purpose was to assess in Italy the clinical features at diagnosis of inflammatory bowel disease (IBD) in children. METHODS In 1996 an IBD register of disease onset was established on a national scale. RESULTS Up to the end of 2003, 1576 cases of pediatric IBD were recorded: 810 (52%) ulcerative colitis (UC), 635 (40%) Crohn's disease(More)
This study was designed to assess the efficacy of a new antimelanoma therapeutic strategy that relies on the use of a c-myc antisense 15-mer phosphorothioate oligodeoxynucleotide ([S]ODN), in combination with cisplatin (cis-diamminedichloroplatinum; DDP), which is currently used in the clinical management of melanoma patients. Proliferation and colony(More)
OBJECTIVES To assess the incidence, risk factors, and endoscopic presentation of gastrointestinal non-Hodgkin's lymphoma (GI NHL) in a large predominantly urban adult population sample. METHODS A comprehensive database review of all diagnoses of GI NHL in the Calgary Health Region over a 5-yr period (1999-2003) was undertaken. Longer-term data from a(More)
AIM To assess the diagnostic accuracy of endoscopic ultrasound (EUS), fluid tumor markers and cytology in distinguishing benign from (pre)malignant pancreatic cystic lesions. METHODS 46 consecutive patients, referred to a gastroenterologist and surgeon for a symptomatic or incidental pancreatic cyst, were reviewed. EUS, cytology, and carcinoembryonic(More)
OBJECTIVE Infections are regarded as a major complication and an important cause of death in cirrhotics. Alcohol is a predisposing factor to infections in such patients. This study was undertaken to compare the frequency and evolution of bacterial infection among alcoholic and nonalcoholic cirrhotics. METHODS To observe this relationship, we(More)
Two cases of infantile hypertrophic pyloric stenosis in infants who were exclusively breastfed are reported. In both cases dietetic management succeeded in avoiding surgery. In one case human milk was substituted with casein hydrolysate formula, while in the other cow's milk was excluded from the diet of the mother. A possible casual relationship between(More)