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
Which can be used as Immunohistochemical marker for Juvenile Rhabdomyosarcoma? 
Select and explain. 
A. Neurofilament, B. Desmin, C. Vimentin, D. Cytokeratin
B: Desmin
Answer: B: Desmin 
Explanation: Desmin acts as IHC marker for muscle tissue, hence can be used in Rhabdomyosarcoma and leiomyoma.