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  • Title: Glial fibrillary acidic protein and cytokeratin in choroid plexus tumors. An immunohistochemical study.
    Author: Lopes MB, Rosemberg S, de Almeida PC, Pestana CB.
    Journal: Pathol Res Pract; 1989 Sep; 185(3):339-41. PubMed ID: 2478989.
    Abstract:
    Ten cases of choroid plexus tumors (3 papillomas and 7 carcinomas) were tested for the presence of glial fibrillary acidic protein (GFAP) and cytokeratin. None of the papillomas and one of the carcinomas were positive with GFAP antisera. Cytokeratin-positive cells were present in 2 of 7 carcinomas and in all papillomas. There seems to be a positive correlation between the degree of the tumor differentiation and the expression of intermediate filaments.
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