<prompt> An 8 year old boy with a history of fall from 10 feet height complains of pain in the right ankle. X-ray taken at that time are normal without any fracture line. But after 2 years, he developed a calcaneovalgus deformity. The diagnosis is -Undiagnosed malunited fractureAvascular nercrosis talusTibial epiphyseal injuryLigamentous injury of ankle joint  <response>: Child is presenting with pain after the injury with :-Normal X-ray X-rays are normal in physeal injury.Calcaneo-valgus deformity Angular deformity due to physeal arrest.So, this child had developed physeal injury at the time of trauma.About other optionsAny fracture will be seen on x-ray x-ray is normal in question.Avascular necrosis of talus develops after fracture of neck of the talus. X-ray shows the fracture x-ray is not normal.Ankle ligament injury has normal X-ray, but it will not develop angular deformity. 