Primary Central Nervous System Lymphoma: A Differential of Midline Crossing Lesions

Primary Central Nervous System Lymphoma (PCNSL) is a rare non-Hodgkin type neoplasm, which crosses the midline. We report an unusual case of a 71-year-old Caucasian female who was shown to have PCNSL by a tissue biopsy after the brain Magnetic Resonance Imaging (MRI) showed Central Nervous System (CNS) lesions crossing the corpus callosum.