• Juan Francisco Villalonga, Lucas Alessandro, Mauricio Franco Farez, Rubén Mormandi, Andrés Cervio, Santiago Condomí Alcorta, and Alejandro Muggeri.
• Departmento de Neurocirurgía, Fundación para la Lucha contas las Enfermedades Neurologicas de la Infancia, Buenos Aires, Argentina.
• Arq Neuropsiquiatr. 2018 Mar 1; 76 (3): 139-144.

AbstractBackground Primary central nervous system lymphomas (PCNSL) are infrequent. The traditional treatment of choice is chemotherapy. Complete resections have generally not been recommended, because of the risk of permanent central nervous system deficits with no proven improvement in survival. The aim of the current study was to compare survival among patients with PCNSL who underwent biopsy versus surgical resection. Methods A retrospective study was conducted on 50 patients with a confirmed diagnosis of PCNSL treated at our center from January 1994 to July 2015. Results Patients in the resection group exhibited significantly longer median survival time, relative to the biopsy group, surviving a median 31 months versus 14.5 months; p = 0.016. Conclusions In our series, patients who had surgical resection of their tumor survived a median 16.5 months longer than patients who underwent biopsy alone.

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