This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal Infections, Subject name: Orthopaedics
[{'content': 'Triple deformity of knee includes all EXCEPT: \nSelect and explain. \nA. Posterior subluxation of tibia, B. Medial rotation of tibia, C. Lateral rotation of tibia, D. Flexion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Medial rotation of tibiaRef: Practical Orthopedics, 2th ed. /173* Tuberculosis of the knee is classical cause of triple deformity. It includes:# Flexion# Lateral (external) rotation of tibia# Posterior subluxation of tibia* Better treatment results are seen with ATT and arthrodesis* This condition can also be seen in Rheumatoid arthritis.', 'role': 'assistant'}]