[Tarsal tunnel syndrome after fibular ligament repair. A rare complication of surgical therapy of chronic instability of the ankle joint ligament].

A case of tarsal tunnel syndrome following a reconstructive procedure with repair of chronic ankle instability using periosteal flap is reported. Two pathogenetic factors have to be discussed as possible causes for this complication. Dissection of the medial retinaculum was performed. With this procedure the patient is complaints could be removed.