Ependymal and choroid plexus tumors. Cytokeratin and GFAP expression.

  title={Ependymal and choroid plexus tumors. Cytokeratin and GFAP expression.},
  author={Hiromichi Mannoji and Laurence Edward Becker},
  volume={61 7},
Twenty-six ependymal and 15 choroid plexus tumors were examined with monoclonal antibody against cytokeratin using the avidin-biotin-peroxidase complex (ABC) technique. Serial sections were examined with antisera to glial fibrillary acidic protein (GFAP). In five ependymal tumors (one ependymoma, two papillary ependymomas, and two primitive neuroectodermal tumors [PNET] with ependymal cells), a variable number of cytokeratin-positive cells were present. Most tumor cells (except two PNET) were… CONTINUE READING
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