This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy, Subject name: Radiology
[{'content': '"Eye of the Tiger" appearance in MRI is seen in \nSelect and explain. \nA. Wilsons disease, B. Neuronal accumulation of iron, C. Alzheimer\'s, D. Hallervorden-Spatz syndrome', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) Hallervorden-Spatz syndrome # Eye of the Tiger Sign refers to abnormal low T2 signal (due to abnormal accumulation of iron) on MRI in the globus pallidus with a longitudinal stripe of high signal (due to gliosis & spongiosis) that can be seen in:> Hallervorden-Spatz syndrome: Classical but not 100% pathognomonic. Progressive supranuclear palsy Early-onset levodopa-responsive parkinsonism Corticobasal ganglionic degeneration', 'role': 'assistant'}]