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
[{'content': 'Congenital pseudo ahrosis is seen in which of the following: \nSelect and explain. \nA. Hip joint, B. Femur, C. Radius - ulna, D. Tibia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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', 'role': 'assistant'}]