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
Treatment of solitary langerhans histiocytoma of mandible is by 
Select and explain. 
A. Curettage, B. Radiotherapy, C. No treatment required, D. Chemotherapy
A: Curettage
Answer: A: Curettage 
Explanation: None