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: Pediatrics
Abnormalities of copper metabolism are implicated in the pathogenesis of all the following except ? 
Select and explain. 
A. Wilson's disease, B. Monkes' Kinky-hair syndrome, C. Indian childhood cirrhosis, D. Keshan disease
D: Keshan disease
Answer: D: Keshan disease 
Explanation: Ans. is 'd' i.e., Keshan diseaseKeshan disease is a disorder of selenium metabolism.o Following diseases are related to copper metabolism :-i) Wilson's diseaseii) Menkes kinky hair syndromeIndian childhood cirrhosis (increased hepatic, urinary and serum copper concentration are characteristic of ICC).