This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Radiology
In which pathology is this finding present? 
Select and explain. 
A. Sturge Weber, B. Neurofibromatosis, C. Multiple Sclerosis, D. Tuberous sclerosis
C: Multiple Sclerosis
Answer: C: Multiple Sclerosis 
Explanation: Ans. C. Multiple SclerosisThe given image is of Dawson finger sign in MRI brain in Multiple Sclerosis where demyelinating white matter plaques are arranged at right angles to the lateral ventricles.