Discoid meniscus is the most frequent congenital malformation of the menisci, and primarily affects the lateral meniscus; it is highly prevalent in the Asian population. The anatomic, vascular, and ultrastructural features of the discoid meniscus make it susceptible to complex tears. Discoid meniscus anomalies are described according to their shape; however, there is consensus that peripheral stability of the meniscus should also be defined. Initial workup includes plain X-rays and magnetic resonance imaging, while arthroscopic evaluation confirms shape and stability of the meniscus. Clinical presentation is highly variable, depending on shape, associated hypermobility, and concomitant meniscal tears. Treatment seeks to re-establish typical anatomy using saucerization, tear reparation, and stable fixation of the meniscus. Cite this article: EFORT Open Rev 2020;5:371-379. DOI: 10.1302/2058-5241.5.190023

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Fractures of the anterior tibial tuberosity during childhood are an infrequent pathology (around 3% of all proximal tibial fractures), but the incidence of this injury has risen over recent years, likely due to the increased involvement of this age group in sports activities. This fracture is more commonly seen in children 12–14 years old. It is vital to identify the anatomical structures associated with this type of fracture, along with the pathophysiological mechanisms involved. Treatment includes non-operative and operative options, with the goal of achieving articular congruency, restoring the extensor mechanism function, and avoiding damage to the proximal tibial physis. Understanding the management of this fracture, and the complications that might arise, is critical. The provision of an appropriate clinical management plan and the avoidance of complications are vital in the prevention of disability. Cite this article: EFORT Open Rev 2020;5:260-267. DOI: 10.1302/2058-5241.5.190026