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: Radiology
[{'content': 'Salt and pepper effect in MRI of salivary gland is seen in: \nSelect and explain. \nA. Sjogren syndrome, B. Thalassemia, C. Sickle cell anemia, D. Condensing osteitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A “salt and pepper” appearance of the glands on MRI is particularly suggestive of Sjogren syndrome.\nBurket’s Oral medicine , diagnosis and treatment, pg-427', 'role': 'assistant'}]