It is Nessesary Central Nervous Prophilaxis in Primary Testicular Lymphoma?

1. Abstract
1.1. Background: Primary testicular lymphoma is a rare presentation of extranodal lymphomas,. Is considered of worse prognosis, because no specific treatment has been reported. Moreover 6 t 15% patients relapse at central nervous system (CNS), and more patients die before 2 years of relapse. Until now, the use of prophylaxis to prevent CNS did not proven to be benefit.