Which<br/>of the following descriptions are incorrect?() A: Ulcers<br/>always heal without scar formation B: Plaques<br/>are smaller than papules

阿尔茨海默病特点是形态学上出现大脑皮质萎缩，并伴有神经元纤维缠结( neurofibrillary tangles，NFT)及老年斑( senile plaques，SP)