Objective: To assess the involvement of the hallux interphalangeal (IP) joint after first metatarsophalangeal joint (MTPJ) arthrodesis and propose a treatment consisting of MTPJ resection arthroplasty associated with phalangeal osteotomy or IP joint arthrodesis. Methods: We retrospectively analyzed 9 patients treated with MTPJ resection arthroplasty associated with phalangeal osteotomy or hallux IP joint arthrodesis from November 2006 to January 2017. Results: The main causes of MTPJ arthrodesis that subsequently evolved to IP involvement were severe hallux valgus and sequelae or complications of previous hallux valgus operations. Additionally, the reasons leading to rescue surgery were pain, deformity, and/or discomfort. Conclusion: This therapeutic modality is able to relieve symptoms by a simple procedure, with acceptable functional and estheticresults. Level of Evidence IV; Therapeutic Studies; Case Series.

Objective: To report our experience with intramedullary fixation and osteosynthesis of the tibia with suprapatellar approach and semiextended positioning. Methods: This study retrospectively assessed 6 patients with tibial fracture treated with suprapatellar intramedullary nail fixation and osteosynthesis from September 2015 to September 2018. Results: There was acceptable bone fixation. Mean healing time was 6 months (range: 4-10 months). Postoperative pain was assessed using a visual analog scale, and the knee was divided into 9 quadrants to help locate the specific site of pain; all participants reported that pain was located at distal quadrants. Knee function was completely restored. Conclusion: Suprapatellar approach with the knee in the semiextended position is a good surgical technique for extra-articular proximal tibial fractures or those associated with soft tissue involvement at the conventional infrapatellar entry site. Thus, this analysis led us to believe that the technique should also be applicable to middle diaphyseal fractures or fractures in general, regardless of their location. Level of Evidence IV, Therapeutic Studies; Case Series.

La displasia epifisaria hemimélica o enfermedad de Trevor es una deformidad osteocartilaginosa en la región epifisaria. Es poco frecuente y predomina en el sexo masculino. Se desarrolla en la infancia cuando los cartílagos de crecimiento están abiertos, y afecta principalmente el tobillo y la rodilla. Su origen es desconocido.Se presentan tres casos con distinto grado de compromiso y las alternativas terapéuticas. Un solo caso quirúrgico por equino irreductible. Se detallan la técnica quirúrgica, el manejo posoperatorio y el resultado de anatomía patológica. Se recomienda operar sólo a pacientes con alguna limitación funcional o severa deformidades por el alto índice de recidiva.

Objective: The aim of this study is to present a series of 8 patients, describing their clinical picture and assessing their treatment using plantar approach. Methods: We retrospectively assessed 8 patients, all of which had a history of trauma. The clinical characteristics of these cases and postoperative results were investigated. Results: Seven men and 1 woman with a mean age of 29 years were included. The follow-up period ranged from 6 to 28 months (mean 22 months). The deformity manifested from 5 to 24 months after the triggering injuries (mean 9.8 months). The hallux was the only digit affected in 1 patient, while the others presented with involvement of 1 or more small toes. There were no postoperative complications, and patients showed to be satisfied with functional outcomes. Conclusion: Post-traumatic digital flexion contracture is an infrequent disease of unknown etiology. Lengthening of the flexor hallucis longus using a plantar approach, whether at the level of the midfoot or the toe, represents an alternative with satisfactory outcomes. Level of Evidence IV; Therapeutic Study; Case Series.