Pure Isolated Medial Peritalar Dislocation: A Case Report

: Peritalar dislocations are a rare lesion caused by the dislocation of the talocalcaneal and talonavicular joint with a variable prognosis depending on the associated structures that are injuried. It is a very rare when they occur without associating bone fractures. report: We report the case of a 32-year-old Caucasian male patient brought to our hospital after suffering a fall with ankle inversion while practicing sports. Physical examination revealed swelling and deformity of the hindfoot with medial plantar flexion and no neurovascular alterations. In conventional X-ray a peritalar dislocation was observed. The dislocation was reduced and the limb was immobilized with a non-weight bearing below-the-knee splint. The reduction was assessed with two X-ray projections, and computed tomography (CT) ruled out associated bone fractures. The splint was maintained for four weeks. : The patient started with with passive ankle dorsiflexion and plantar flexion exercises after the removal of the splint and partial weight bearing followed by full weight bearing in the 10th week after reduction. At the 6-month follow up, the patient achieved a score of 99 points in the questionnaire of the AOFAS and had resumed sport activity without clinical repercussion. : Isolated and closed peritalar dislocations are very rare lesions that have a good prognosis if an early reduction is carried out, no associated injuries are present, which can be ruled out with more precise imaging studies, and immobilization is maintained during the appropriate period of time.