This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Multiple Sclerosis, Subject name: Medicine
Dawson's fingers are seen in - 
Select and explain. 
A. Multiple sclerosis, B. Multiple myeloma, C. Freidreich's ataxia, D. SACD
A: Multiple sclerosis
Answer: A: Multiple sclerosis 
Explanation: Ans. is 'a' i.e., Multiple Sclerosis o Dawson's fingers on MRI scans are diagnostic of Multiple Scerosis.o 'Dawson s fingers' refers to the MS lesions around the veins that radiate out from the ventricles (fluid filled spaces in the centre of the brain).o Dow son s fingers are supposed to be the result of inflammation or mechanical damage by blood pressure along the space around the veins.