Ostelolysis and implant loosening by wear particles after a total hip arthroplasty is a well-documented phenomenon. Howerver, the occurrence of a soft tissue mass around the hip joint after a total hip arthroplasty is rare. We experienced a case of an inguinal mass associated with polyethylene wear particles. An excision of the mass and revision arthroplasty for a polyethylene liner and metal head were performed successfully via a separate incision. We describe this rare case with a review of the relevant literature.