A rare case of extensive synovial chondromatosis of the knee with arthroscopic synovectomy and evacuation: A case report

Synovial chondromatosis is a rare, benign condition characterized by metaplasia of the synovial membrane with formation of multiple cartilaginous nodules within the synovium. This case is of a 58-year-old male who initially presented with right knee pain. The patient was ultimately found to have extensive synovial chondromatosis. The diagnosis was confirmed by histopathologic evaluation and treated with loose body removal and radical synovectomy via an arthroscopic approach. Fully arthroscopic approaches described have been shown to decrease patient morbidity while providing adequate synovial resection and thorough joint debridement. Here we describe the clinical presentation, pathophysiology, diagnostic modalities, and management options synovial chondromatosis of the knee.