<prompt> Which of the following is difference between Rheumatoid ahritis and osteoahritis?Osteophytes are seen in osteoahritisSystemic symptoms are seen in osteoahritisRheumatoid ahritis is uncommon in hands and feetOsteoahritis is an autoimmune disease  <response>: Rheumatoid Ahritis Knee Osteoahritis Knee Periaicular osteopenia Subchondral sclerosis Valgus Varus Varus valgus Marginal erosions Marginal erosions not seen No osteophytes are seen Osteophytes are seen Soft tissue swelling pannus Negative Subchondral cysts Subchondral cysts Figs. A RA Knee-Genu valgus; B OA Knee-Genu varus 