Primary synovial chondromatosis of the ankle joint presenting as monoarthritis

Synovial chondromatosis is a rare, benign condition characterised by the formation of multiple cartilaginous and osteocartilaginous bodies in the capsule.1 Synovial chondromatosis has been widely described in the literature.1–3 Most cases involve temporomandibular, shoulder, elbow, hip and knee joints. Interestingly, published cases with ankle joint involvement are uncommon. The rarity of this diagnosis in the literature spurred us to …