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': '"Rugger Jersey Spine" is seen in : \nSelect and explain. \nA. Fluorosis, B. Achondroplasia, C. Renal Osteodytrophy, D. Marfan\'s Syndrome', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Renal Osteodytrophy', 'role': 'assistant'}]