A 3-Year-Old Boy Is Being Evaluated for Recurrent Generalized Seizures

A 3-year-old boy is being evaluated for recurrent generalized seizures and developmental delay.  Physical examination is notable for scattered hypopigmented skin patches.  MRI of the head reveals multiple masses, most of which line the ependymal surfaces of the lateral ventricles, and some are calcified, as shown in the below image. Which of the following is the most likely underlying cause of this patient's brain lesions?

A) Benign hamartoma formation
B) Lysosomal metabolite accumulation
C) Malignant lymphoid proliferation
D) Mycobacterial meningeal invasion
E) Tapeworm larvae migration

Correct Answer:

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