A 21-year-old man comes to the physician for a follow-up appointment. He has a history of occipital headaches, neck pain, and balance discoordination since high school. Which of the following is most likely to be seen in this patient?
Chiari 1; bilateral diminution of motor function
Chiari 1; bilateral loss of pain and temperature
Chiari 1; bilateral loss of vibration and proprioception
Chiari 2; bilateral diminution of motor function
Chiari 2; bilateral loss of pain and temperature
Chiari 2; bilateral loss of vibration and proprioception
Dandy-Walker; bilateral diminution of motor function
Dandy-Walker; bilateral loss of pain and temperature
Dandy-Walker; bilateral loss of vibration and proprioception