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
Hunter's glossitis' is a features of: 
Select and explain. 
A. Leukemia, B. Sickle cell anemia, C. Pernicious anemia, D. HIV infection
C: Pernicious anemia
Answer: C: Pernicious anemia 
Explanation: 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