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: Pathology
[{'content': 'Erosive ahritis occurs in all except - \nSelect and explain. \nA. SLE, B. Osteoahritis, C. Gout, D. Psoriatic ahritis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., SLEThe typical lesion is SLE is a nonerosive synovitis with little defbrmites. This distinguishes it from ahritis seen in rheumatoid ahritis.", 'role': 'assistant'}]