This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Ohopedics, Subject name: Orthopaedics
Congenital pseudo ahrosis is seen in which of the following: 
Select and explain. 
A. Hip joint, B. Femur, C. Radius - ulna, D. Tibia
D: Tibia
Answer: D: Tibia 
Explanation: Tibia is the commonest affected bone in pseudoahrosis. Congenital pseudahrosis A pseudoahrosis is a bone fracture that fails to heal properly on its own Anterolateral bowing of the tibia Associated with neurofibromatosis Treatment is mainly surgical