There is a higher prevalence in Asians without any gender predilection 7. Lateral discoid meniscus is far more common than medial discoid meniscus, with the latter being rare. Clinical presentation Although frequently asymptomatic, discoid menisci are prone to cystic degeneration with subsequent tear. Pathology Discoid menisci have decreased collagen fibers and loss of normal collagen orientation, which predisposes them to intrameniscal mucoid degeneration 7. Additionally, there may be associated hypoplasia of the lateral tibial spine.
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There is a higher prevalence in Asians without any gender predilection 7. Lateral discoid meniscus is far more common than medial discoid meniscus, with the latter being rare.
Clinical presentation Although frequently asymptomatic, discoid menisci are prone to cystic degeneration with subsequent tear. Pathology Discoid menisci have decreased collagen fibers and loss of normal collagen orientation, which predisposes them to intrameniscal mucoid degeneration 7.
Additionally, there may be associated hypoplasia of the lateral tibial spine. MRI On coronal imaging, meniscal body width of 15 mm or more is typically considered diagnostic of discoid morphology. On sagittal imaging, the body of the lateral meniscus is normally only seen on two adjacent slices. A discoid meniscus is usually present if the meniscal body is seen on three or more standard sagittal slices - the opposite of the absent bow tie sign.
Treatment and prognosis Ideally, the meniscus is preserved with conservative management. If this is unsuccessful, then partial or total resection may be carried out.
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Trattamenti
Arturo R. Estos incluyeron 21 meniscos de tipo completo y dos incompletos, sin observarse las variantes de Wrisberg, menisco discoide medial, ni menisco discoide bilateral. Out of knee arthroscopies performed between and , 23 patients 1. We have not encountered any case of the Wrisberg liganzent type, media! Three patients were not included in the study due to lack of clinical data, leaving 20 patients with a mean follow up of 29 months range 4 months to 9 years.
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Segni e sintomi di menisco discoide nei bambini piccoli
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