case_images: PMC6879996_01
case_images: a. Pre-operative clinical examination showing no deformity or wound; b. Peroneal longus tendon dislocation test.
case_images: gr1.jpg
case_images: PMC6879996_01_gr1.jpg
case_images: fig0005
case_images: Local physical examination of the left ankle reveals no deformity or wound (Fig. 1a). The peroneal longus tendon dislocation test was positive (Fig. 1b).
case_images: Pre-operative X-ray of both ankle.
case_images: gr2.jpg
case_images: PMC6879996_01_gr2.jpg
case_images: fig0010
case_images: a. Dissection at retinaculum ligament and resection of fibrotic tissue at peroneus longus tendon; b. Osteotomy at the tip of lateral malleolus and drilling of intramedullary; c. Fixation of the posterolateral and posteromedial edges of peroneal groove with cortical screw and repair of retinaculum ligament.
case_images: gr4.jpg
case_images: PMC6879996_01_gr4.jpg
case_images: fig0020
case_images: We performed Peroneal groove deepening and Retinaculum ligament repair procedure to treat this condition (Fig. 4).