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An Unusual Case of a Fibular Sesamoid Phalangeal Ligament Tear Caused By Chronic Trauma

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  • 1 Department of Podiatric Medicine, St. John's Hospital, Santa Monica, CA.
  • | 2 College of Podiatric Medicine, Western University of Health Sciences, Pomona, CA.
  • | 3 Department of Sports Medicine, Sutter-Palo Alto, Palo Alto, CA.
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Injuries involving the first metatarsophalangeal joint and its associated structures are common, especially in athletes. However, injuries to the hallucal sesamoid complex constituted only 3% of all podiatric sports medicine injuries reported by Agosta. This case study reports a female ballet dancer with an isolated fibular sesamoid retraction injury that presented with a history of chronic microtrauma secondary to overuse. When consulting epidemiologic studies of forefoot injuries involving the hallucal sesamoid complex, we were unable to find a single instance of an isolated retraction of the fibular sesamoid resulting from chronic use, demonstrating the unusual nature of this case.

Corresponding author: Michael Levi, DPM, Department of Podiatric Medicine, St. John's Hospital, 2001 Santa Monica Blvd, Ste 495W, Santa Monica, CA 90404. (E-mail: drmichaellevi@gmail.com)