Experience of Non-Hodgkin's Lymphoma in the Central Nervous System Presented as Neurological Deficit from 2017-2021 in a Medical Center in Mexico City.

Aim: To show the oddity of primary central nervous system lymphoma (PCNSL) and illustrate the histopathological and magnetic resonance imaging (MRI) characteristics of this disease entity.

Material And Methods: We obtained the histopathological diagnosis through stereotactic biopsy, and all lesions were resected at the Department of Neurosurgery, Centro Medico Nacional 20 de Noviembre.

Results: We identified and included six lymphoma cases in a 5-year period: none of the patients had human immunodeficiency virus (HIV) infection; none were Epstein-Barr virus (EVB)-positive; all of them received chemotherapy and radiotherapy; and the survival rate was ≥1 year.