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Skeletal Radiol. 2010 Apr;39(4):381-6. doi: 10.1007/s00256-009-0864-x. Epub 2010 Jan 29.

Value of computed tomography arthrography with delayed acquisitions in the work-up of ganglion cysts of the tarsal tunnel: report of three cases.

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Department of Medical Imaging, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Avenue Hippocrate 10/2942, 1200, Brussels, Belgium.


Ganglion cysts are a common cause of tarsal tunnel syndrome. As in other locations, these cysts are believed to communicate with neighboring joints. The positive diagnosis and preoperative work-up of these cysts require identification and location of the cyst pedicles so that they may be excised and the risk of recurrence decreased. This can be challenging with ultrasonography and magnetic resonance (MR) imaging. We present three cases of symptomatic ganglion cysts of the tarsal tunnel, diagnosed by MR imaging, where computed tomography (CT) arthrography with delayed acquisitions helped to confirm the diagnosis and identify precisely the topography of the communication with the subtalar joint. These cases provide new evidence of the articular origin of ganglion cysts developing in the tarsal tunnel.

[Indexed for MEDLINE]

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