A Case of Peroneal Tendon Subluxation following Trivial Ankle Injury and Review of the Literature

Subluxation or dislocation of the peroneal tendon is uncommon ankle disorder and most of the time misdiagnosed as ankle sprain. Young adults and adolescents who are active on sports activities are more prone to get this problem. The main cause of this disorder is because of the superior peroneal retinaculum avulsion from its insertion with fibular bone. We report a case of peroneal subluxation in a 19-year-old girl after twisting of the ankle one year back. She was initially treated with ankle splintage, rest and analgesics but her problem did not improve. Magnetic resonance imaging (MRI) of the ankle showed subluxation of the peroneal tendon and managed operatively. One year after the operation she is having pain-free ankle without any difficulties for walking.