Aim: The aim of this study was to investigate the association of local tumor survivin expression and serum concentration with clinical and histopathological parameters in melanoma patients. Introduction: Survivin is a multifunctional protein abundantly expressed in tumors of various types, including melanoma. There are still sparse data regarding relationship of melanoma cell survivin expression with accepted histopathological characteristics as well as serum concentration. Material and Methods: The level of survivin expression was determined immunohistochemically in tumor tissue and with ELISA test in the serum of 84 melanoma patients with melanoma. Results: Survivin expression was significantly higher in the patients whose tumor had ulceration, higher mitotic index, higher Clark and Breslow stage, that made vascular invasion or spread through lymphatic vessels in primary tumor, and in the patients with metastatic disease. The patients with high survivin expression score had almost double shorter disease free interval DFI comparing to those with weak local survivin expression and a small number of survivin cells (9 - 7 vs 19 - 13 months, respectively). The degree of tumor infiltrating lymphocytes presence in tumor tissue was significantly inversely associated with serum survivin concentration. Conclusion: Conclusion Survivin expression in tumor tissue and its serum concetration significantly correlate with clinical and histopathological parameters. Serum levels could be important in initial follow-up as indicators of those patients that would have aggressive local tumor growth and spreading.

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