Recurrent arthrocele and sterile sinus tract formation due to ceramic wear as a differential diagnosis of periprosthetic joint infection — a case report - Jandl, Nico Maximilian; Rolvien, Tim; Gätjen, Daniel; Jonitz-Heincke, Anika; Springer, Armin; Krenn, Veit; Bader, Rainer; Rüther, Wolfgang (Acta Orthopaedica, 2019)