Ganglion cyst, a common benign soft tissue lesion, is not uncommon in the foot, with the most common location being the dorsal aspect. We describe a case where the ganglion had an unusual radiographic appearance in the form of an hourglass, extending from dorsum into the planter compartments of the foot. A 74-year-old woman presented with longstanding pain in her midfoot. Clinical examination revealed a soft tissue swelling with minimal tenderness in the first webspace of the right foot. The initial radiograph was normal. Ultrasound examination revealed a cystic swelling filled with hemorrhagic fluid with an hourglass appearance. Magnetic resonance imaging examination confirmed the cystic nature of the swelling and depicted the hourglass-shaped ganglion extending from the dorsal to plantar aspect of foot. Complete excision was possible with a combined dorsal and plantar approach. Ganglion cyst can present in the foot in locations other than the dorsum and could have extensions into the plantar aspect. This variation needs to be considered when planning surgical excision, which could be aided by preoperative magnetic resonance imaging.
Level of Clinical Evidence
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Pai V, Pai V. A massive foot ganglion: case report. Foot Ankle J 1(1). Available at: http://faoj.wordpress.com/2008/01/01/a-massive-foot-ganglion-case-report/. Accessed May 2, 2010.
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Published online: June 24, 2010
Financial Disclosure: None reported.
Conflict of Interest: None reported.
© 2010 American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.