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
On biopsy report of CGCG on the basis of histologically & morphological similarities differential diagnosis is made between: 
Select and explain. 
A. Fibrous dysplasia, B. Hyperparathyroidism, C. Osteitis deformans, D. Hyperthyroidism
B: Hyperparathyroidism
Answer: B: Hyperparathyroidism 
Explanation: None