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
Consider the following statements; giant cells are a
characteristic histopathologic finding in 
Select and explain. 
A. Apthous ulcers, B. Keratocyst, C. Brown tumor of hyper parathyroidism, D. Dentigerous cyst
C: Brown tumor of hyper parathyroidism
Answer: C: Brown tumor of hyper parathyroidism 
Explanation: None