Roser Martínez

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Beginning 1982, our group has been performing the technique of ileal pouch-anal anastomosis, changing the procedure for achieving better functional results, less morbidity and making it easier. Fifty patients operated on for ulcerative colitis and "polyposis coli" were grouped as follows: Group I (28): proctocolectomy, mucosectomy, handsewn anastomosis and(More)
BACKGROUND Acute transmural ischemia increases QRS duration and R-wave amplitude owing to depressed intramyocardial activation. Theoretically, when myocardial injury is confined to the epicardium, the intramyocardial activation is preserved without affecting QRS duration. OBJECTIVE The purpose of this study was to distinguish epicardial from transmural(More)
The sclerosing hepatocellular carcinoma is an unusual subtype of hepatocellular carcinoma characterized by an intense fibrous stroma in which the tubular structures are embedded. Histological diagnosis is difficult, and misinterpretation as cholangiocarcinoma or metastatic adenocarcinomas may occur. It usually presents on non-cirrhotic livers. Metastases(More)
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