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
Erosion of bone is seen with all of the following except - 
Select and explain. 
A. Gout, B. SLE, C. Psoriasis, D. Rheumatoid arthritis
B: SLE
Answer: B: SLE 
Explanation: All inflammatory arthritis cause erosive arthritis, except SLE, which causes non-erosive arthritis.