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
Eosinophilic granuloma results from the proliferation of 
Select and explain. 
A. Histiocytes, B. eosinophils, C. Lymphocytes, D. fibroblast
A: Histiocytes
Answer: A: Histiocytes 
Explanation: None