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': 'Onion peel appearance of splenic capsle is seen in - \nSelect and explain. \nA. SLE, B. Scleroderma, C. RA, D. Sjogrens', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., SLEMorphological changes in spleen in SLEo Splenomegaly, capsular thickening, and follicular hyperplasia are common features.o Central penicilliary aeries may show concentric initmal and smooth muscle hyperplasia, producing so called Onion-skin lesions.", 'role': 'assistant'}]