Systemic lupus erythematosus (SLE or lupus): An autoimmune affliction that causes the human body’s own immune method to mistakenly attack nutritious tissue in lots of aspects of your body. Hip replacement (arthroplasty): Hip alternative surgical procedure may be important When the hip fracture is critical and includes the hip joint. https://www.theorthopaedicandpainpractice.com/what-is-avascular-necrosis-of-the-hip/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB