<prompt> A middle aged female presents with polyahritis with elevated rheumatoid factor ANA analevels, which among the following will help you to differentiate rheumatoid ahritis from SLE?Soft tissue swelling at the proximal inter phalangial jointJuxta aicular osteoporosis or X-rayAicular erosions on X-rayElevated ESR  <response>: Joint erosions is not a feature of SLE . It is only seen in some conditions such as Rheumatoid ahritis Gout Psoriatic ahritis Reiters disease Erosive OA Hemophilia IBD Ankylosing spondolytis Ref - pubmed.com 