Primary lymphoma of the central nervous system. Review of etiological factors

INTRODUCTION: The primary lymphoma of the central nervous system are between 1 to 2% of all the brain tumors. The most important risk factor for the development of this kind of lesions is both acquired and congenital immunologic deficiency. METHODS AND RESULTS: In this paper we'll try to study the 13 cases of primary lymphomas of the central nervous system from etiological, epidemiological, clinic, diagnostic, therapeutic and outcome point of view. CONCLUSION: Besides we will discuss the bibliography founded paying special attention to diagnostic and therapeutic features.