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
[{'content': 'Synol sarcoma cellular markers are ? \nSelect and explain. \nA. Cytokeratin, B. S-100, C. Vimentin, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., Cytokeratin; 'b' i.e., S-100 & 'c' i.e, Vimentin o Immunohistochemisny: these tumors have spindle cells which are positive for vimentin and epithelial components positive for cytokeratin. More recently, molecular diagnostic studies have identitied a unique translocation, t (X;18), producing SYT/SSX1 or - SSX2 fusion genes. S-100 staining may give positive results.", 'role': 'assistant'}]