This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopaedics Q Bank, Subject name: Orthopaedics
Corduroy appearance on X-ray is seen in? 
Select and explain. 
A. Osteoclastoma, B. Osteosarcoma, C. Hemangioma, D. Ewing's sarcoma
C: Hemangioma
Answer: C: Hemangioma 
Explanation: Corduroy cloth appearance/ jail bar sign (veical striations in veebrae)-Hemangioma Hemangioma result of the replacement of normal cancellous by thickened veical trabeculae surrounded by fat marrow or vascular lacunae in veical intraosseous hemangiomas. It is a benign tumor and consists of vascular channels. It is seen commonly in middle-aged patients The spine is the commonest site Note: Polka Dot sign seen on CT scan