question: Q:A 16-year-old boy presents after suffering a tonic-clonic seizure. He says it had a duration of 2 minutes and a postictal period of 10 minutes. Patient denies any similar episodes in the past. Past medical history is unremarkable. Family history is significant for his mother and older brother who died of colorectal cancer at ages 40 and 20, respectively. On physical examination, the patient is drowsy but arousable and responsive to commands. Both pupils are symmetrical and responsive to light. An MRI of the brain reveals an infratentorial hypointense cerebellar mass with a small cystic area. Which of the following is the most likely diagnosis in this patient?? 
  {'A': 'Peutz-Jeghers syndrome', 'B': 'Lynch syndrome', 'C': 'Gardner syndrome', 'D': 'Turcot syndrome', 'E': 'Cowden syndrome'},