This 26 year-old woman presented with a two-week history of decreased right vision. 
The visual acuity was 6/36 in the right eye and 6/6 in the left. Her MRI scan was shown above?

a. Is this MRI scan a T1 weighted or a T2 weighted images?

b. What are the advantages of MRI scan over CT scan in brain imaging?

c. What abnormalities are present?

d. What is the likely diagnosis?

e. How do you explain the blurred vision?
           

ANSWERS