[Diagnostic imaging of ankle joint instability].

The value of the available diagnostic methods for the evaluation of the unstable ankle joint still is under discussion. This is a result of the increasing knowledge of basic biomechanics. It has been demonstrated that ankle instability is not restricted to two planes, but can be multidirectional or rotatory. There is also a trend to conservative treatment of acute unstable ankle joints. This paper presents the actual diagnostic tools for evaluation of the unstable ankle joint with regard to their efficiency. Stress views, sonography, MRI and arthrography will be discussed.