This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
The Most common lesion in Wernicke's encephalopathy is found in the 
Select and explain. 
A. Dentate nucleus, B. Substatia nigra, C. Motor cortex, D. Mamillary bodies
D: Mamillary bodies
Answer: D: Mamillary bodies 
Explanation: (D) Mamillary bodies > Lesions in the periventricular regions of the diencephalon, midbrain, and brainstem as well as the superior vermis of the cerebellum consist of symmetric discoloration of structures surrounding the third ventricle, aqueduct, and fourth ventricle, with petechial hemorrhages in occasional acute cases and atrophy of the mamillary bodies in most chronic cases.