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
Most common presentation of SLE is 
Select and explain. 
A. Ahralgia, B. Erosive polyahritis, C. Butterfly rash, D. AIHA
A: Ahralgia
Answer: A: Ahralgia 
Explanation: Ahritis in SLE Ahralgia is a common symptom, occurring in 90% of patients, and is often associated with early morning stiffness. Tenosynovitis may also occur but clinically apparent synovitis with joint swelling is rare. Joint deformities may arise (Jaccoud's ahropathy) as the result of tendon damage but joint erosions are not a feature. Ref Davidsons 23e p1035