Ochronotic arthropathy effectively treated with total hip and total knee arthroplasty: a case report

Ochronosis is a rare autosomal recessive disorder of tyrosine metabolism characterized by multilevel spinal degeneration and arthritis large weight-bearing joints, which referred to as ochronotic arthropathy. In this case report, we describe diagnosis treatment arthropathy in patient who underwent total hip arthroplasty (THA) knee (TKA). The Harris score was 26 preoperatively 45, 68, 76, 90, 92, 94 at 1, 3, 6, 9, 11, 14 months, respectively, postoperatively. forgotten joint (FJS) the 27.8, 52.8, 81.1, 89.0, 90.6, 92.4 TKA performed 8 months after THA. Knee Society Score 36 before 74, 82, 90 6 TKA. FJS 36.6, 63.9, 84.5 patient’s range motion returned normal, with significant reduction pain improved satisfaction levels THA can achieve good clinical outcomes patients ochronosis accompanied severe pain.