Question 2066
A 7-year-old boy with a history of intellectual disability and seizures comes to the emergency department because of headaches and more frequently occurring seizures. CT scan of the brain shows subependymal nodules with calcification, cortical foci with loss of the grey-white matter distinction, and a nodule partially obstructing the foramen Monro. Which of the following is the most likely diagnosis?
Question 2067
A 12-year-old boy with a history of intellectual disability comes to the emergency department because of headaches and more frequently occurring seizures. Brain imaging (CT scan and MRI) shows a heterogeneous intraventricular mass measuring about 18 mm near the foramen of Monro, with internal calcifications and marked contrast enhancement. Subependymal nodules and cortical tubers are the other imaging findings. Which of the following is the most likely diagnosis?