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
8 year old boy, history of fall from 10 feet Pain in the right ankle. X-ray normal at that time after 2 years he developed calcaneovalgus deformity,likely diagnosis 
Select and explain. 
A. Tibial epiphyseal injury, B. Fibular fracture, C. Bimalleolar fracture, D. Subtalar joint injury
A: Tibial epiphyseal injury
Answer: A: Tibial epiphyseal injury 
Explanation: None