This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplasia, Subject name: Pathology
[{'content': 'Tumor marker for dysgerminoma is? \nSelect and explain. \nA. AFP, B. LDH, C. HCG, D. CA-125', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' i.e., LDH * Most dysgerminomas are associated with elevated serum lactic dehydrogenase (LDH).* Additionally, elevated serum levels of neuron-specific enolase, calcium, inhibin, placental alkaline phosphatase (PLAP), and prolactin have been reported.", 'role': 'assistant'}]