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ISSN 2306-4102 (Print)
Órgano Oficial del Colegio Mexicano de Ortopedia y Traumatología

2024, Number 1

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Acta Ortop Mex 2024; 38 (1)

Medial discoid meniscus in a pediatric patient. Case report and review of the literature

Rodríguez-Rodríguez I, Navarro-Torres-Arpi P, Dryjanski-Lerner A, Gómez-Mont-Landerreche J, Levy-Holden G, Gil-Orbezo F

Language: Spanish
References: 15
Page: 52-56
PDF size: 188.03 Kb.


ABSTRACT

Discoid meniscus is a congenital morphological variant of the meniscus, which tends to occur more frequently in its lateral form than in the medial form. This anomaly is characterized by central hypertrophy of the meniscus and a larger diameter than the normal meniscus, resulting in an abnormal shape and greater coverage of the tibial plateau. The clinical presentation of this condition varies depending on the stability of the meniscus. In pediatric patients, in particular, it is common to experience progressive and atraumatic symptoms, such as pain and limited mobility. Diagnosis is based on imaging studies, with magnetic resonance imaging being the preferred tool, where the "bowtie sign" is a classic finding. Surgery is recommended for symptomatic patients, with a focus on preserving the peripheral portion of the meniscus. Saucerization is the most commonly used technique, followed by stability assessment to determine if additional procedures are required. In this case, a 9-year-old patient with a medial discoid meniscus presented symptoms following trauma. Despite this atypical presentation, a successful outcome was achieved through arthroscopic surgery, underscoring the importance of accurate diagnosis and proper management of this condition in pediatric patients. Understanding the anatomical and pathophysiological characteristics of the discoid meniscus is essential for an effective therapeutic approach.


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