This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroradiology, Subject name: Radiology
Dawson Fingers are feature of 
Select and explain. 
A. Parkinsonism, B. Multiple Sclerosis, C. Progressive supra nuclear palsy, D. CJD
B: Multiple Sclerosis
Answer: B: Multiple Sclerosis 
Explanation: Multiple sclerosis :- - is m/c immune mediated inflammatory demyelinating disease of CNS - autoimmune destruction of myelin formed - Dawson fingers - are radiological feature of Multiple sclerosis - are periventricular white matter hyperintensities perpendicular to ventricles - involvement of calloso-septal interface - open ring/ horseshoe enhancement is suggestive of demyelination