Giant Extra-Articular Synovial Chondromatosis of the Ankle Joint - A Rare Case Report.

Introduction: Synovial chondromatosis (SC) commonly involves large joints such as the knee and hip with smaller joints being less frequently involved. Extra-articular involvement is very rare, and here, we are presenting the first case of giant extra-articular SC originating from the ankle joint.

Case Report: A 42-year-old male presented to the outpatient department with painless swelling over the lateral malleolus for 2 years.