José Colina

Learn More
BACKGROUND Anaplastic ependymomas are considered to be uncommon cerebral tumors by most authors. We have had the opportunity to study 34 cases of such lesions in 13 years. METHODS 34 cases of anaplastic ependymoma operated in different hospitals of Maracaibo, Venezuela, during the period of 1983-1995 were analyzed. Cases of ependymoblastoma were excluded.(More)
An unusual case of metastatic follicular thyroid cancer presenting with symptoms of a radiculopathy at C6 is presented. The patient underwent a laminectomy and removal of tumor with resolution of his symptoms. He was found to have a well differentiated follicular thyroid carcinoma and subsequently had total thyroidectomy and 131I treatment. This patient's(More)
Gallic acid (GA) is a polyphenol present in many plants. This study was aimed to investigate the molecular interaction of GA with the human erythrocyte membrane and to determine its antioxidant capacity. The molecular interaction with the membrane of human red cells and the antioxidant property was assayed on both human red cells and molecular models of its(More)
  • C. Courtoisa, G. Boissonnata, C. Brusascob, J. Colina, D. Cussola, S. de Neuterb +1 other
  • 2013
Every radiotherapy center has to be equipped with real-time beam monitoring devices. In 2008, we developed an Ionization Chamber in collaboration with the IBA company (Ion Beam Applications). This monitoring device called IC2/3 was developed to be used in IBA universal irradiation head for Pencil Beam Scanning (PBS). Here we present the characterization of(More)
  • 1