[Effectiveness and safety of 150 mg vs 300 mg ranitidine twice a day in duodenal ulcer].

394 patients with endoscopically diagnosed duodenal ulcer were randomly allocated to treatment with ranitidine 150 bid o ranitidine 300 mg bid in a prospective double-blind multicenter trial conducted in seven LatinoAmerican countries. Endoscopy at 4 weeks showed complete ulcer healing en 171 of 196 patients (87.2%) treated with ranitidine 150 mg bid and 178 of 198 (89.

[Experimental pancreas transplantation].

Experimental pancreatic transplantation was performed in dogs using different surgical techniques. Ten dogs underwent whole organ graft with diversion of exocrine secretion by anastomosis of duodenal segment to bladder (six animals) and of duodenum to a jejunal loop (four animals). Segmental pancreatic grafts were performed in 10 dogs with ductal filling with polymer in six animals and duct ligation in four dogs.

[Fibrolamellar hepatocellular carcinoma: a clinical report with paraneoplastic hyperthyroidism (apropos of a case)].

The case of a 17 years old female patient with fibrolamellar hepatocarcinoma and several paraneoplastic signs is reported. The clinical picture was hyperthyroidism like; subsequently metastasis lesions in lungs and muscular tissue (gluteal region) developed. Hyperthyroidism as clinical picture has been reported only once before us for the available literature reveals.