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: Radiology
All of the following cause basal ganglia calcification except? 
Select and explain. 
A. Hyperparathyroidism, B. Leigh's disease, C. Wilson's disease, D. Cysticercosis
C: Wilson's disease
Answer: C: Wilson's disease 
Explanation: Wilson's disease does not cause basal ganglia calcification.