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Salivary duct carcinoma of the major salivary glands. Analysis of the relationship between HER-2 overexpression and survival Yukihiro Hiraga 1 , Motohiro Moriyama 1 , Shinichi Shimomura 1 , Mari Takahashi 1 , Toshio Oyama 2 1Division of Otolaryngology, Yamanashi Prefectural Central Hospital pp.1121-1126
Published Date 2017/12/20
DOI https://doi.org/10.11477/mf.1411201454
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 Eight cases of salivary duct carcinomas(SDC)primarily treated in our hospital were studied clinico-pathologically and analyzed the relationship between HER-2 overexpression(OE)and survival.

 3-year overall survival rate(OS)was 62.5%, and 3-year disease-free survival rate 37.5%.

 Immunohistochemcal examination revealed HER-2 OE on all 8 cases, involving 4 cases with score 3+, 1 with score2+, and 3 with 1+.

 There found significantly difference between OSs of the high HER-2 OE(score 3+)group and the lower OE(score1+and 2+)group.

 To conclude, HER-2 OE showed a useful prognostic factor for the survival of SDC.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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