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March 2019 — Anatomic Pathology/Neuropathology

A 52-year-old man presented with right-sided upper and lower extremity weakness. He was previously diagnosed with HIV infection, though he is not currently on antiretroviral therapy. Brain MRIs demonstrated a T2-hyperintense, non-enhancing lesion within the left posterior frontal lobe, in the region of the motor cortex.

He subsequently underwent a brain biopsy.

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Kathryn Eschbacher, M.D.
Resident, Anatomic Pathology/Neuropathology
Mayo Clinic
Aditya Raghunathan, M.D., M.P.H.
Consultant, Anatomic Pathology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
MCL Education

MCL Education

This post was developed by our Education and Technical Publications Team.