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: Surgery
If head of the radius is removed, it will result in 
Select and explain. 
A. Lengthening of limb, B. Valgus deformity, C. Varus deformity, D. No deformity
B: Valgus deformity
Answer: B: Valgus deformity 
Explanation: B i.e. Valgus deformity Classically the head of radius should not be excised in children because ? - It will interfere with the synchronous growth of radius and ulnar producing wrist & elbow deformity. - It leads to proximal radial migration & subluxation of inferior radio ulnar joINTEGER(2. - It causes weakness of extremity & discomfo in distal radio - ulnar joint with heavy activities - May produce cubitus valgus deformityQ and instability.