Acta oto-laryngologica · 2004
Epidermal growth factor receptor and p53 expression in T1-T2 glottic cancer involving the anterior or posterior commissure.
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Rucci Lucio, Bocciolini Corso, Franchi Alessandro, Ferlito Alfio, Casucci Andrea
Аннотация
OBJECTIVE: We surveyed retrospectively the expression of epidermal growth factor receptor (EGFR) and p53 in cases of T1-T2 glottis cancer involving the anterior (AC) or posterior commissure (PC) subsites to check for differences possibly explaining the different prognoses of cancer at these subsites.
MATERIAL AND METHODS: Between 1970 and 1995, 15 patients with T1-T2 primary glottis cancer involving the PC, either partly or entirely, were treated. Thirty more cases were selected among 184 patients treated during the same time period for AC glottis cancer, to match the former cases with regard to age, sex, tumor stage, smoking habits and alcohol consumption.
RESULTS: A significantly higher frequency of EGFR expression occurred in PC than in AC cancer.
CONCLUSION: These results, and the anatomy of the PC subsite, may explain the more frequent recurrence of T1-T2 PC compared to T1-T2 AC cancer and why radiotherapy achieves worse results in T1-T2 PC cancer than in AC cancer of comparable T grade.
MATERIAL AND METHODS: Between 1970 and 1995, 15 patients with T1-T2 primary glottis cancer involving the PC, either partly or entirely, were treated. Thirty more cases were selected among 184 patients treated during the same time period for AC glottis cancer, to match the former cases with regard to age, sex, tumor stage, smoking habits and alcohol consumption.
RESULTS: A significantly higher frequency of EGFR expression occurred in PC than in AC cancer.
CONCLUSION: These results, and the anatomy of the PC subsite, may explain the more frequent recurrence of T1-T2 PC compared to T1-T2 AC cancer and why radiotherapy achieves worse results in T1-T2 PC cancer than in AC cancer of comparable T grade.