This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
Which of the following Complication is possible following excision of the Head of the Radius in children? 
Select and explain. 
A. Ulnar Nerve, B. Inferior Radio Ulnar joint instability, C. Posterior dislocation of the elbow, D. Carpal tunnel syndrome
B: Inferior Radio Ulnar joint instability
Answer: B: Inferior Radio Ulnar joint instability 
Explanation: Inferior Radio-Ulnar joint instability Excision of the head of the radius in children results in proximal migration of the radius resulting in subluxation of the inferior radio ulnar joint and instability. ref : maheswari 9th ed