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: Pediatrics
[{'content': 'Baby with recurrent infection of ear & discharge & seborrheic dermatitis with hepatosplenomegaly with cystic skull lesions. Diagnosis is ? \nSelect and explain. \nA. Hemophagocytic lymphohistiocytosis, B. Langerhans cell histiocytosis, C. ALL, D. Multiple myeloma', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Langerhans cell histiocytosis", 'role': 'assistant'}]