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
Erosive ahritis occurs in all except - 
Select and explain. 
A. SLE, B. Osteoahritis, C. Gout, D. Psoriatic ahritis
A: SLE
Answer: A: SLE 
Explanation: 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.