International Journal of
Medicine and Medical Sciences

  • Abbreviation: Int. J. Med. Med. Sci.
  • Language: English
  • ISSN: 2006-9723
  • DOI: 10.5897/IJMMS
  • Start Year: 2009
  • Published Articles: 531

Case Report

Acute fracture of OS trigonum wıth cartilaginous articulation

Bekir Yavuz Uçar
  • Bekir Yavuz Uçar
  • Dicle University Medical School Department of Orthopaedics & Traumatology, 21280 Diyarbakır, Turkey.
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Demet Uçar
  • Demet Uçar
  • Diyarbakır Education Research Hospital Clinical Of Physical Medicine and Rehabilitation, Turkey.
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Mehtap Bozkurt
  • Mehtap Bozkurt
  • Diyarbakır Education Research Hospital Clinical Of Physical Medicine and Rehabilitation, Turkey.
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Mehmet Bulut
  • Mehmet Bulut
  • Dicle University Medical School Department of Orthopaedics & Traumatology, 21280 Diyarbakır, Turkey.
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Ibrahim Azboy
  • Ibrahim Azboy
  • Dicle University Medical School Department of Orthopaedics & Traumatology, 21280 Diyarbakır, Turkey.
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  •  Accepted: 12 March 2011
  •  Published: 30 April 2011

Abstract

 

Os trigonum as one of the most common accessory ossicles of foot,  may have a fibrocartilaginous articulation with posterior process of talus. This  articulation may be misdiagnosed as a fracture of the posterior  process of talus. Despite well known chronic injuries of athletes, acute fracture of the os trigonum is rare. Hyperplantarflexion and invertion of the ankle is the mechanism of injury. We report a case of an acute fracture of the os trigonum with a fibrocartilaginous articulation diagnosed with computerized tomography which highlights the importance of considering such injuries in patients with acute posterior ankle pain and ‘nut cracker’ sign positivity and obtaining advanced imaging modalities in ankle sprains.

 

Key words: Os trigonum, talus, fracture, ankle sprain, accessory ossicle, foot.