This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral cavity, Subject name: Surgery
[{'content': 'What are Rushton bodies? \nSelect and explain. \nA. Hyaline bodies of odontogenic cyst, B. Refractive bodies of radicular cyst, C. Bodies seen in ameloblastoma, D. Hyaline bodies seen in dentigerous cyst', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rushton bodies or hyaline bodies of odontogenic cysts feature as eosinophilic, straight or curved, irregular or rounded structure within the epithelial lining of odontogenic cyst. Rushton bodies occur almost exclusively within odontogenic cyst', 'role': 'assistant'}]