A 75-Year-Old Man Is Brought to the Emergency Department Due

A 75-year-old man is brought to the emergency department due to 2 hours of left-sided chest pain and dyspnea.  The patient has lived in a skilled nursing facility since developing right-sided hemiplegia, hemi-sensory loss, and aphasia 4 months ago.  He has a history of diabetes mellitus, hypertension, and hypercholesterolemia.  As an ECG is being obtained, the patient develops ventricular fibrillation and dies despite resuscitative efforts.  An autopsy is performed; a coronal section of the brain is shown in the image below. The walls of the brain lesion are most likely composed of which of the following?

A) Astrocytes
B) Ependymal cells
C) Fibroblasts
D) Oligodendrocytes
E) Pia mater
F) Schwann cells

Correct Answer:

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