HER-2/neu diagnostics in breast cancer.
HER-2/neu diagnostics in breast cancer.
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DOI:
10.1186/bcr1664
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发表时间:
2007
期刊:
影响因子:
--
通讯作者:
Lipton A
中科院分区:
文献类型:
--
作者:
Carney WP;Leitzel K;Ali S;Neumann R;Lipton A
HER-2/neu status of the primary breast cancer (PBC) is determined by immunohistochemistry and fluorescent in situ hybridization. Because of a variety of technical factors, however, the PBC may not accurately reflect the metastatic tumor in terms of HER-2/neu status. Recently published guidelines recommend that tumors be defined as HER-2/neu positive if 30% or more of the cells are 3+. Circulating levels of the HER-2 extracellular domain can be measured in serum using a test cleared by the US Food and Drug Administration, and increased serum HER-2/neu levels to above 15 ng/ml can reflect tumor progression. Studies comparing tissue HER-2/neu status of the PBC and HER-2/neu levels above 15 ng/ml in metastatic breast cancer patients are also reviewed.
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