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A 9-year-old boy with no significant past medical history was referred to get an EEG because of declining school performance and concern for staring vs. daydreaming episodes. Hyperventilation was performed and shown below. His EEG was otherwise unremarkable. Based on the available data which is the most appropriate next clinical step?
What task is likely being performed during this EEG recording?
A 14-year-old male is referred to the neurology clinic by his PCP with the complaint of bilateral hearing loss. Neurological examination shows a sensorineural hearing loss. Multiple hyperpigmented lesions on the chest and back were also appreciated. An MRI of the brain was ordered that showed bilateral posterior fossa lesions. Genetic testing would reveal a mutation on which chromosome?
A patient with a clinical history concerning for hydrocephalus has an MRI brain completed (see below). Surgical resection was completed and genetic analysis revealed no presence of an IDH mutation or 1p/19q co-deletion. What is the most likely diagnosis?
Identify the structure labeled 4 in the angiograms provided below.