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Although p53 overexpression detected by immunohistochemistry has been reported in pituitary adenomas and carcinomas, genetic mutations in the p53 gene have not been previously detected in these tumors. We analyzed a series of eight pituitary adenomas and six pituitary carcinomas by immunohistochemistry, polymerase chain reaction amplification, and sequencing of p53 exon 5 through exon 8 for genetic...
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