Total<unk>  arthroplasty (TKA) is the standard of care. However, in SONK, often just one side of the<unk>  joint is afflicted, so unicompartmental<unk>  arthroplasty (UKA) can be considered as an alternative that leads to a shorter recovery time. A meta-analysis concluded that UKA was "an excellent alternative to TKA" with few complications and good survivorship.
Spontaneous osteonecrosis of the knee
Facet joint arthrosis
Osteoradionecrosis
Post-traumatic arthritis
Calcific bursitis
Retrocalcaneal bursitis
Osteochondritis
Transient synovitis