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: Surgery
Following are seen in fibrous dysplasia EXCEPT September 2004 
Select and explain. 
A. Cafe-au-lait spots, B. No premalignant change, C. Expanding rib lesions, D. Expanding lesions of maxilla
B: No premalignant change
Answer: B: No premalignant change 
Explanation: Ans. B i.e. No premalignant change