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: Orthopaedics
In Fracture acetabulum, late complication is - 
Select and explain. 
A. Osteoarthritis, B. Tardy sciatic nerve palsy, C. Recurrent Dislocation, D. None of the above
A: Osteoarthritis
Answer: A: Osteoarthritis 
Explanation: In the longer term, the common problem is the development of hip osteoarthritis. Other possible problems include AVN of femoral head and heterotopic ossification (bone formation).