Dislocation of the fibular head in an unusual sports injury: a case report

IntroductionOne of the primary functions of the proximal tibiofibular joint is slight rotation to accommodate rotational stress at the ankle. Proximal tibiofibular joint dislocation is a rare injury and accounts for less than 1% of all knee injuries.

This dislocation has been reported in patients who had been engaged in football, ballet dancing, equestrian jumping, parachuting and snowboarding.Case presentationA 20-year-old man was injured whilst playing football. He felt a pop in the right knee and was subsequently unable to bear weight on it.

The range of movement in his knee joint was limited. Anterior-posterior and lateral X-rays of the knee revealed anterolateral dislocation of the proximal tibiofibular joint.

Comparison views confirmed the anterolateral dislocation. He had a failed manipulation under anaesthesia and the joint needed an open reduction in which the fibular head was levered back into place.

Operative findings revealed a horizontal type of joint.

Conclusions: An exceedingly rare dislocation of a horizontal type of proximal tibiofibular joint was presented following a football injury. This dislocation was irreducible by a closed method.

Author: Riaz Ahmad and Ruth Case
Credits/Source: Journal of Medical Case Reports 2008, 2:158

Published on: 2008-05-15

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