TY - JOUR T1 - Pseudotumor from a Metal-on-Metal Hip JF - The Journal of Rheumatology JO - J Rheumatol SP - 2265 LP - 2265 DO - 10.3899/jrheum.110806 VL - 38 IS - 10 AU - TAKUJI IWAMOTO AU - KATSUNORI IKARI AU - SHIGEKI MOMOHARA Y1 - 2011/10/01 UR - http://www.jrheum.org/content/38/10/2265.abstract N2 - Pseudotumors in the pelvis, thigh, and gluteal regions after metal-on-metal hip implants can occur as complications of the surgery1,2. The tumors can be caused by a metal hypersensitivity reaction associated with metal wear debris.A 64-year-old woman with systemic lupus erythematosus who underwent total hip arthroplasty (THA) 3 years before presented with a tender mass on her left … ER -