This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain Imaging: Anatomy, Trauma, and Tumors, Subject name: Radiology
Tigriod pattern on MRI is seen in - 
Select and explain. 
A. Wilson's disease, B. Metachromatic leukodystrophy, C. Parkinsonism, D. GB syndrome
B: Metachromatic leukodystrophy
Answer: B: Metachromatic leukodystrophy 
Explanation: Ans. is 'b' i.e., Metachromatic leukodystrophyo The Leopard skin sign (also known as tigroid pattern or stripe sign) results from dark-spots or stripes (spared perivascular white) within bright demyelinated periventricular white matter on T2W images. It is characteristically seen in -# Metachromatic leukodystrophy# Pelizaeus-Merzbacher disease# Autosomal recessive spastic ataxia of charlevoix