Department of Traditional Chinese Medicine The People''s Hospital of Shouguang City Shouguang 262700 Shandong Province China;
Department of Orthopedics Shouguang Hospital of Traditional Chinese Medicine Shouguang 262700 Shandong Province China;
Department of General Surgery Shouguang Hospital of Traditional Chinese Medicine Shouguang 262700 Shandong Province China;
School of International Education Weifang Medical University Weifang 261053 Shandong Province China;
Pigmented villonodular synovitis; Subtalar joint; Steinmann pin retractor; Case report; Tenosynovial giant cell tumor;