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: Psychiatry
[{'content': "All the following are featuring Alzheimer's disease except- \nSelect and explain. \nA. Cerebellar atrophy, B. Common in 5th and 6th decade, C. Atrophied gyri and widened sulci, D. Progressive dementia", 'role': 'user'}, {'content': "Answer: A \nExplanation: Cerebellar atrophy is seen in subcortical dementia, therefore, it is not a feature of Alzheimer's disease as it is a cortical type of dementia.\n\nPathology in Alzheimer's disease\n\nGross:- Atrophy of gyri, widening of sulci, enlarged ventricles.\nMicroscopy :- Senile plaque, neurofibrillary tangles, neuronal loss, synaptic loss, granulovascular degeneration.", 'role': 'assistant'}]