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: Anatomy
Kayser Fleischer ring is seen in 
Select and explain. 
A. Wilson's disease, B. Alpha 1antitrypsin deficiency, C. Hemochromatosis, D. Primary biliary cirrhosis
A: Wilson's disease
Answer: A: Wilson's disease 
Explanation: Refer Robbins page no 850 Toxic injury to the brain primarily affects the basal ganglia, paicularly the putamen, which shows atrophy and even cavita- tion. Nearly all patients with neurologic involvement develop eye lesions called Kayser-Fleischer rings, green to brown depos- its of copper in Descemet membrane in the limbus of the cornea.