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: Medicine
All are TRUE about hyperparathyroidism, Except: 
Select and explain. 
A. Commonly occurs after thyroidectomy, B. May cause hypercalcemia, C. Solitary adenoma is the most common cause, D. None of the above
A: Commonly occurs after thyroidectomy
Answer: A: Commonly occurs after thyroidectomy 
Explanation: Answer is A (Commonly occurs after thyroidectomy): Thyroidectomy may lead to hypoparathyroidism and not hyperparathyroidism due to inadveent removal of the parathyroid glands.