Primary CNS lymphoma
Presentation
73 year old male unsteady gait for three weeks.
Patient Data
Age: 73 yrs
Gender: Male
From the case:
Primary CNS lymphoma
CT
Axial non-contrast
CT demonstrates a periventricular hyperdense lesion.
From the case:
Primary CNS lymphoma
MRI
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Sagittal T1
MRI confirms the the presence of a periventricular enhancing lesion which demonstrates restricted diffusion and enhancement.
From the case:
Primary CNS lymphoma
Pathology
Histology
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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
Featrures consistent with lymphoma which confirmed on pathology.