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': "Hunter's glossitis' is a features of: \nSelect and explain. \nA. Leukemia, B. Sickle cell anemia, C. Pernicious anemia, D. HIV infection", 'role': 'user'}, {'content': "Answer: C \nExplanation: Pernicious anemia is an autoimmune atrophic that causes a deficiency in vitamin B12 due to its malabsorption. Glossitis (Hunter's glossitis) - characterized by a slick or bald tongue, papillary atrophy, and burning sensation on contact with certain foods - is usually associated with pernicious anemia", 'role': 'assistant'}]