This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Surgery
[{'content': 'Which of the following immunohistochemical marker can be used for the diagnosis of rhabdomyosarcoma? \nSelect and explain. \nA. Myeloperoxidase, B. Desmin, C. Cytokerain, D. Synaptophysin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Desmin can be used for the diagnosis of rhabdomyosarcoma', 'role': 'assistant'}]