This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
In which of the following ahritis erosion are not seen 
Select and explain. 
A. Rheumatoid ahritis, B. Systemic lupus ehematosus, C. Psoriasis, D. Gout
B: Systemic lupus ehematosus
Answer: B: Systemic lupus ehematosus 
Explanation: Ref Semantischolar.org