This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
[{'content': "All the following are features of Pick's disease except:(2004) \nSelect and explain. \nA. Knife blade atrophy, B. Walnut brain, C. Ballooning degeneration, D. Hirano bodies", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans: d (Hirano bodies)Ref: Robbin's, 7thed, p. 1390 & 6th ed, p. 1333Pick's disease-* Asymmetric atrophy of frontal and temporal lobes with conspicuous sparing of posterior two thirds of temporal lobe.* The atrophy can be severe, reducing the gyri to a thin wafer (Knife edge appearance)* Ballooning degeneration of neurons (Harsh mohan, 5th ed, p. 911)* Presence of pick bodies in neurons.* Absence of plaques and neurofibrillary tangles.", 'role': 'assistant'}]