Presentation
Unsteady gait for three weeks.
Patient Data
Age: 75 years
Gender: Male
From the case:
Primary CNS lymphoma
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CT demonstrates a periventricular hyperdense lesion.
From the case:
Primary CNS lymphoma
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MRI confirms the presence of a periventricular enhancing lesion which demonstrates restricted diffusion and enhancement.
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Small round blue cells with strong positive immunostain for CD20 (B cell marker), consistent with Non-Hodgkin large B cell lymphoma.
Case Discussion
Features consistent with lymphoma which confirmed on pathology.