This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2018, Subject name: Pediatrics
A 4 - year - old child presented with painless genu valgum. X - ray bilateral knee was done and is shown below. Which of the following is most likely diagnosis? 
Select and explain. 
A. Rickets, B. Scurvy, C. Congenital anomaly, D. Trauma to epiphysis
B: Scurvy
Answer: B: Scurvy 
Explanation: Scurvy X-ray - pencil thin outline of coex Subperiosteal hemorrhage Wimberger sign Pelkan spur Trummerfeld zone