This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': 'All of the following are MRI features of Mesial temporal sclerosis, except: \nSelect and explain. \nA. Atrophy of fornix, B. Atrophy of hippocampus, C. Blurring of Grey white matter junction of ipsilateral temporal lobe, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Classic imaging findings in Mesial temporal sclerosis are hippocampal atrophy, increased T2 signal and loss or distoion of adjacent white matter. Secondary MRI findings include (ipsilateral to side of MTS) ? Temporal horn dilatation ? Loss of hippocampal internal architecture ? Atrophy of temporal afferent and efferent pathways ? Decreased hippocampal signal on T1 weighted images ? Poor parahippocampal grey white matter differentiation ? Narrowed collateral white matter in adjacent para hippocampal gyrus Ref: Brain Imaging Case Review Series By Arora, Page 152; Atlas of Epilepsies By C. P. Panayiotopoulos, Page 795; Pediatric Epilepsy: Diagnosis and Therapy By John M. Pellock, 3rd Edition, Page 43', 'role': 'assistant'}]