“…The midterm survival rate of total ankle arthroplasty (TAA) has increased to 89%-91% with third-generation implants such as the Hintegra, but complications do occur. 2,5,16,21,29,31,32,39,40,41,48,59 Periprosthetic cysts are reported to occur in up to 95% of TAA at the medium and long term, with an uncertain significance. 5,8,15,25,30,34-38,43,55, 60 Kohonen et al 33 reported that 34.6% of ankles had at least 1 periprosthetic cyst larger than 10 mm on radiographs at a mean follow-up of 43 months.…”