This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopaedics Q Bank, Subject name: Orthopaedics
[{'content': "Chronic recurrent multifocal osteomyelitis is seen in: \nSelect and explain. \nA. Werner's syndrome, B. Waenberg's syndrome, C. SAPHO syndrome, D. All of the above", 'role': 'user'}, {'content': "Answer: C \nExplanation: Chronic recurrent multifocal osteomyelitis Werner syndrome Waenberg's syndrome SAPHO syndrome Progeria Auto-immune disease Hereditary condition Mononeuropathy Associated - HLA B27 Not associated with osteomyelitis Synovitis acne pustulosis hyperostosis osteitis Premature aging increased risk of cancer entrapment of the superficial branch of the radial nerve Rx - DMARDS + steroids + NSAIDS.", 'role': 'assistant'}]