Pseudotumor Treated with Two-Stage Revision Due to Aggressive Osteolysis and Soft-Tissue Mass Following Metal on Metal Total Hip Arthroplasty

Abstract

Introduction: This is a unique case of the largest reported pseudotumor in literature, treated with a custom acetabular component in conjunction with a total femur replacement.Case: Patient is a 71-year-old male, with a large pseudotumor secondary to Metal on Metal total hip arthroplasty, who had chronic pain for 8 years prior to presentation. Imaging revealed extensive soft tissue mass and osteolysis. Patient underwent two-stage surgery, with 1st stage involving surgical debridement of pseudotumor and fixation of custom triflange acetabular component, 2nd stage involved a total femur replacement.