<prompt> Most common presentation of SLE isAhralgiaErosive polyahritisButterfly rashAIHA  <response>: 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 Jaccouds ahropathy as the result of tendon damage but joint erosions are not a feature. Ref Davidsons 23e p1035 