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: Pathology
An alcoholic patient with chronic thiamine deficiency shows CNS manifestations, and also show memory loss and confabulatory psychosis, is suffering from: 
Select and explain. 
A. Wernicke's encephalopathy., B. Wernicke- korsa koff syndrome., C. Menke's syndrome., D. Wilson's disease.
B: Wernicke- korsa koff syndrome.
Answer: B: Wernicke- korsa koff syndrome. 
Explanation: Alcoholic patients with chronic thiamin deficiency shows CNS manifestations known as Wernicke’s encephalopathy, which consists of horizontal nystgmus, opthalmoplegia, cerebral ataxia and mental impairment.
Along with the above-mentioned symptoms, if there is loss of memory and confabulatory psychosis, it is known as Wernicke-Korsa Koff Syndrome.