We report an unusual demonstration of a fistulous gas communication between the ankle joint and ganglion of the medial malleolus. The imaging findings support the mechanical hypothesis for the genesis of intraosseous ganglion cysts.
Coulier, B., Devyver, B., & Hamels, J. (2002). Imaging demonstration of fistulous gas communication between joint and ganglion of medial malleolus. Skeletal Radiology : journal of radiology, pathology and orthopedics, 31(1), 57-60. https://doi.org/10.1007/s002560100394 (Original work published 2002)