<prompt> All the following are features of Picks disease except:2004Knife blade atrophyWalnut brainBallooning degenerationHirano bodies  <response>: Ans: d Hirano bodiesRef: Robbins, 7thed, p. 1390 6th ed, p. 1333Picks 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. 