This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Squamous cell carcinoma marker is- \nSelect and explain. \nA. Vimentin, B. Cytokeratin, C. Desmin, D. Myogenin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Harshmohan textbook of pathology 7th edition. *epithelial tumor : immunostains used are pankeratin,epithelial membrane antigen,carcinoembrionic antigen,neuron specific enolase. *mesenchymal tumors: immunostains used are vimentin,desmin,muscle specific actin.', 'role': 'assistant'}]