New prognostic factors in nasopharyngeal carcinoma. Tumor angiogenesis and C-erbB2 expression

Cancer
D F RoychowdhuryN Weidner

Abstract

This study was conducted to determine the prognostic significance of tumor angiogenesis, c-erbB2, epidermal growth factor receptor, Ki-67, and p53 for patients with nasopharyngeal carcinoma. In this retrospective study, the authors retrieved clinical data and made immunohistochemical preparations on archival tissue specimens from 30 patients with nasopharyngeal carcinoma treated with radiation therapy at the University of California at San Francisco between 1956 and 1990. The pretreatment clinical and immunohistochemical data were correlated with cervical lymph node metastasis at diagnosis, and endpoints including development of locoregional failure, distant metastasis, disease free survival, and overall survival. Intense tumor angiogenesis, defined as microvessel counts for 60 or more microvessels per 200 x field correlated with the development of distant metastasis (P = 0.03), shorter overall survival (P = 0.02), and disease free survival (P = 0.05). Strong c-erbB2 expression correlated with a shorter overall survival (P = 0.02) and disease free survival (P = 0.02). Stage IV disease (P = 0.04) and the presence of cervical lymph node metastasis (P = 0.05) correlated with a shorter overall survival. A duration of symptoms of fe...Continue Reading

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