This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Onion peel appearance of splenic capsule is seen in 
Select and explain. 
A. SLE, B. Scleroderma, C. Rheumatoid ahritis, D. Sjogern's syndrome
A: SLE
Answer: A: SLE 
Explanation: Ref Robbins 9/e p224 In splenic involvement in SLE _splenomegaly, capsular thickeing , follicular hyperplasia,are common feature . central penicilliary aeries may show concerntric intimal and smooth muscle cell hyperplasia , producing onion skin appearance