César Corbacho

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OBJECTIVE To describe cytological changes in meningiomas induced by embolization, which may be carried out a few days before surgery in order to soften the tumour and minimize intraoperative bleeding. Although histological changes have been described, we have found no description of such changes in the cytological literature. METHODS We reviewed 22 cases(More)
Hereditary non-polyposis colorectal cancer (HNPCC) represents 1-3% of all colorectal cancers. HNPCC is caused by a constitutional defect in a mismatch repair (MMR) gene, most commonly affecting the genes MLH1, MSH2 and MSH6. The MMR defect results in an increased cancer risk, with the greatest lifetime risk for colorectal cancer and other cancers associated(More)
In vivo models of human tumor vasculature are essential for the study of tumor angiogenesis and validation of therapeutic targets. To date, however, few standardized animal models of human tumor angiogenesis have been characterized. It was recently shown that human renal cell and prostate carcinoma primary xenografts, established from biopsy specimens,(More)
PURPOSE Topoisomerase (Topo) II isoenzymes are the targets for drugs, such as epidophyllotoxins and doxorubicin. The aim of this study was to determine whether the expression of Topo IIalpha and Ki67 in advanced Hodgkin's disease (HD) played a role as a prognostic factor or predictor of response to treatment. EXPERIMENTAL DESIGN Forty-two patients who(More)
Pleomorphic xanthoastrocytoma (PXA) is a WHO grade II astrocytic tumor of children and young adults. It is characterized by pleomorphic, atypical astrocytes. Atypia is so remarkable, that PXA can be easily misdiagnosed as malignant glioma. If confused with a high-grade glioma the neurosurgeon may not proceed with a complete resection. Therefore, a specific(More)
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