Carolina Rabello

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BACKGROUND Endoscopic retrograde cholangiopancreatography may fail because of malignant involvement of the second portion of the duodenum and the major papilla. Alternatives include percutaneous transhepatic biliary drainage (PTBD) or surgical bypass. Endoscopic ultrasonography-guided choledochoduodenostomy (EUS-CD) has been reported as an alternative. (More)
S-Methylation by thiopurine methyltransferase (TPMT) is an important route of metabolism for the thiopurine drugs. About one in 300 individuals are homozygous for a TPMT mutation associated with very low enzyme activity and severe myelosuppression if treated with standard doses of drug. To validate the use of molecular genetic techniques for the detection(More)
As outlined in Chapter 8 , glutathione in the intact cell is maintained predominantly in its reduced form by the cytosolic enzyme, glutathione reductase. Cell lysis can lead to rapid oxidation to the oxidized form, GSSG, and degradation by γ-glutamyl transpeptidase. In order to obtain a true measurement of the amount of reduced glutathione (GSH) in living(More)
OBJECTIVE Describe a case series of endoscopic ultrasound (EUS)-guided choledochoduodenostomy (EUS-CD) associated with duodenal self-expandable metal stents (SEMS) placement using solely the linear echoendoscope in seven patients with obstructive jaundice and duodenal obstruction due to unresectable periampullary cancer. MATERIAL AND METHODS EUS-CD in the(More)
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