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: Orthopaedics
[{'content': 'The striated vertebra is seen in - \nSelect and explain. \nA. TB spine, B. Haemangioma, C. Chordoma, D. Metastasis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In hemangioma there is a loss of horizontal striation and prominence of vertical striation giving vertebra a typical striated appearance on radiography.', 'role': 'assistant'}]