Thymidylate synthase expression as a predictor of clinical response to 5-fluorouracil-based chemoradiotherapy in patients with maxillary sinus squamous cell carcinoma

Ryuji Yasumatsu, Torahiko Nakashima, Moriyasu Yamauchi, Takahiro Wakasaki, Muneyuki Masuda, Shizuo Komune

Research output: Contribution to journalArticle

Abstract

Objective: The aim of this study was to evaluate the immunohistochemical TS expression in patients with maxillary sinus SCC. Methods The value of immunohistochemical TS expression as a predictive indicator for 5-FU efficacy was retrospectively examined in 47 patients with maxillary sinus SCC. Results Of the 47 patients, 29 (62%) showed complete response for 5-FU based chemoradiotherapy. Seventeen of 19 (89%) TS low cases showed a complete response, whereas 12 of 28 (43%) TS high cases showed complete response for 5-FU based chemoradiotherapy. Low TS patients had significantly better response rates compared with high TS patients. Conclusion These findings suggest that TS expression affects the chemotherapeutic effect of 5-FU in patients with maxillary sinus SCC and the assessment of TS expression level might be useful both in the management and in the treatment of maxillary sinus SCC.

Original languageEnglish
Pages (from-to)387-391
Number of pages5
JournalAuris Nasus Larynx
Volume38
Issue number3
DOIs
Publication statusPublished - Jun 1 2011

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Thymidylate Synthase
Maxillary Sinus
Chemoradiotherapy
Fluorouracil
Squamous Cell Carcinoma

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology
  • Surgery

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Thymidylate synthase expression as a predictor of clinical response to 5-fluorouracil-based chemoradiotherapy in patients with maxillary sinus squamous cell carcinoma. / Yasumatsu, Ryuji; Nakashima, Torahiko; Yamauchi, Moriyasu; Wakasaki, Takahiro; Masuda, Muneyuki; Komune, Shizuo.

In: Auris Nasus Larynx, Vol. 38, No. 3, 01.06.2011, p. 387-391.

Research output: Contribution to journalArticle

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AU - Yamauchi, Moriyasu

AU - Wakasaki, Takahiro

AU - Masuda, Muneyuki

AU - Komune, Shizuo

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